Python Practice Problems

Python practice problems help beginners to become experts in a python programming language with a small amount of practice effort.

Python List Programs, Exercises

by

Python list programs help beginners to become experts and the list is one of the most important data structures in Python Programming. Python list can contain any type of data as a member that we can access via positive and negative indexing.

In this article, we have two different sections one for Python list programs for beginners and the second for Python list projects for practice.

python list programs

Python List Programs

1). Python program to calculate the square of each number from the given list.

Solution

2). Python program to combine two lists.

Solution

3). Python program to calculate the sum of all elements from a list.

Solution

4). Python program to find a product of all elements from a given list.

Solution

5). Python program to find the minimum and maximum elements from the list.

Solution

6). Python program to differentiate even and odd elements from the given list.

Solution

7). Python program to remove all duplicate elements from the list.

Solution

8). Python program to print a combination of 2 elements from the list whose sum is 10.

Solution

9). Python program to print squares of all even numbers in a list.

Solution

10). Python program to split the list into two-part, the left side all odd values and the right side all even values.
Input = [5, 7, 2, 8, 11, 12, 17, 19, 22]
Output = [5, 7, 11, 17, 19, 2, 8, 12, 22]

Solution

11).  Python program to get common elements from two lists.
Input =
list1 = [4, 5, 7, 9, 2, 1]
list2 = [2, 5, 8, 3, 4, 7]
Outputt : [4, 5, 7, 2]

Solution

12). Python program to reverse a list with for loop.

Solution

13). Python program to reverse a list with a while loop.

Solution

14). Python program to reverse a list using index slicing.

Solution

15). Python program to reverse a list with reversed and reverse methods.

Solution

16). Python program to copy or clone one list to another list.

Solution

17). Python program to return True if two lists have any common member.

Solution

18). Python program to print a specific list after removing the 1st, 3rd, and 6th elements from the list.

Solution

19). Python program to remove negative values from the list.

Solution

20). Python program to get a list of all elements which are divided by 3 and 7.

Solution

21). Python program to check whether the given list is palindrome or not. (should be equal from both sides).

Solution
22). Python Program to get a list of words which has vowels in the given string.
Input: “www Student ppp are qqqq learning Python vvv”
Output : [‘Student’, ‘are’, ‘learning’, ‘Python’]
Solution

23). Python program to add 2 lists with extend method.

Solution

24). Python program to sort list data, with the sort and sorted method.

Solution

25). Python program to remove data from the list from a specific index using the pop method.

Solution

26). Python program to get the max, min, and sum of the list using in-built functions.

Solution

27). Python program to check whether a list contains a sublist.

Solution

28). Python program to generate all sublists with 5 or more elements in it from the given list.

Solution
29). Python program to find the second largest number from the list.
 
Solution

30). Python program to find the second smallest number from the list.

Solution
31). Python program to merge all elements of the list in a single entity using a special character.
 
Solution

32). Python program to get the difference between two lists.

Solution
33). Python program to reverse each element of the list.
Input = [‘Sqa’, ‘Tools’, ‘Online’, ‘Learning’, ‘Platform’]
output = [‘aqS’, ‘slooT’, ‘enilno’, ‘gninraeL’, ‘mroftalP’]
Solution
34). Python program to combine two list elements as a sublist in a list.
list1 = [3, 5, 7, 8, 9]
list2 = [1, 4, 3, 6, 2]
Output = [[3, 1], [5, 4], [7, 3], [8, 6], [9, 2]]
Solution
35). Python program to get keys and values from the list of dictionaries.
Input : [{‘a’:12}, {‘b’: 34}, {‘c’: 23}, {‘d’: 11}, {‘e’: 15}]
Output :  [‘a’, ‘b’, ‘c’, ‘d’, ‘c’]
                [12, 34, 23, 11, 15]
Solution

36). Python program to get all the unique numbers in the list.

Solution

37). Python program to convert a string into a list.

Solution
38). Python program to replace the last and the first number of the list with the word.
Input: [12, 32, 33, 5, 4, 7]
output : [‘SQA’, 32, 33, 5, 4, ‘Tools’]
 
Solution

39). Python program to check whether the given element is exist in the list or not.

Solution
40). Python program to remove all odd index elements.
Input: [12, 32, 33, 5, 4, 7, 33]
Output: [12,33,4,33]
Solution

41). Python program to take two lists and return true if then at least one common member.

Solution
42). Python program to convert multiple numbers from a list into a single number.
Input: [12, 45, 56]
Output:124556
Solution
43). Python program to convert words of a list into a single string.
Input: [‘Sqa’, ‘Tools’, ‘Best’, ‘Learning’, ‘Platform’]
Output: SqaToolsBestLearningPlatform
Solution
44). Python program to print elements of the list separately.
Input: [(‘Black’, ‘Yellow’, ‘Blue’), (50, 55, 60), (30.0, 50.5, 55.66)]
Output:
(‘Black’, ‘Yellow’, ‘Blue’)
(50, 55, 60)
(30.0, 50.5, 55.66)
Solution
45). Python program to create a sublist of numbers and their squares from 1 to 10.
Output : [[1, 1], [2, 4], [3, 9], [4, 16], [5, 25], [6, 36], [7, 49], [8, 64], [9, 81], [10, 100]]
Solution
46). Python program to create a list of five consecutive numbers in the list.
Output : [[1, 2, 3, 4, 5], [6, 7, 8, 9, 10], [11, 12, 13, 14, 15], [16, 17, 18, 19, 20]]
Solution
47). Python program to insert a given string at the beginning of all items in a list.
Input: [1, 2, 3, 4, 5], Sqa
Output: [‘Sqa1’, ‘Sqa2’, ‘Sqa3’, ‘Sqa4’, ‘Sqa5’]
Solution
48). Python program to iterate over two lists simultaneously and create a list of sublists.
list1 = [1, 3, 5, 7, 9]
list2 = [8, 6, 4, 2, 10]
output = [[1, 8], [3, 6], [5, 4], [7, 2], [9, 10]]
Solution
49). Python program to move all positive numbers on the left side and negative numbers on the right side.
Input: [2, -4, 6, 44, -7, 8, -1, -10]
Output: [2, 6, 44, 8, -4, -7, -1, -10]
Solution
50). Python program to move all zero digits to the end of a given list of numbers.
Input: [3, 4, 0, 0, 0, 0, 6, 0, 4, 0, 22, 0, 0, 3, 21, 0]
Output: [3, 4, 6, 4, 22, 3, 21, 0, 0, 0, 0, 0, 0, 0, 0]
Solution
51). Python program to find the list in a list of lists whose sum of elements is the highest.
Input: [[11, 2, 3], [4, 15, 6], [10, 11, 12], [7 8, 19]]
Output: [7, 8, 19]
Solution
52). Python program to find the items that start with a specific character from a given list.
Input: [‘abbcd’, ‘ppq, ‘abdd’, ‘agr’, ‘bhr’, ‘sqqa’, tools, ‘bgr’]
 
# item starts with a from the given list.
[‘abbcd’, ‘abdd’, ‘agr’]
 
# item starts with b from the given list.
[‘bhr’, ‘bgr’]
 
# item starts with c from the given list.
[]
Solution
53). Python program to count empty dictionaries from the given list.
Input: [{}, {‘a’: ‘sqatools’}, [], {}, {‘a’: 123}, {},{},()]
empty_count: 3
Solution
54). Python program to remove consecutive duplicates of given lists.
Input: [0, 0, 1, 2, 3, 4, 4, 5, 6, 6, 6, 7, 8, 9, 4, 4]
Output: [0, 1, 2, 3, 4, 5, 6, 7, 8, 4]
Solution
55). Python program to pack consecutive duplicates of given list elements into sublists.
Input: [0, 0, 1, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9]
Output: [[0, 0], [1], [2], [3], [4, 4], [5], [6, 6], [7], [8, 8], [9]]
Solution
56). Python program to split a given list into two parts where the length of the first part of the list is given.
Input: [4, 6, 7, 3, 2, 5, 6, 7, 6, 4]
length of the first part is 4
Output: [[4, 6, 7, 3], [2, 5, 6, 7, 6, 4]]
Solution
57). Python program to insert items at a specific position in the list.
Input: [2, 4, 6, 8, 3, 22]
Index: 3
Item: 55
Output: [2, 4, 6, 55, 8, 3, 22]
Solution
58). Python program to select random numbers from the list.
Input: [1, 4, 5, 7, 3, 2, 9]
Selected 4 random numbers from the list.
Solution
59). Python program to create a 3*3 grid with numbers.
Output: [[4, 5, 6], [4, 5, 6], [4, 5, 6]]
Solution
60). Python program to zip two lists of lists into a list.
list1: [[1, 3], [5, 7], [9, 11]]
list2: [[2, 4], [6, 8], [10, 12, 14]]
Solution
61). Python program to convert the first and last letter of each item from Upper case and lowercase.
Input: [‘Learn’, ‘python’, ‘From’, ‘Sqa’, tools]
Output =
[‘LearN ‘, ‘PythoN ‘, ‘FroM ‘, ‘SqA ‘, ‘ToolS ‘]
[‘learn ‘, ‘python ‘, ‘from ‘, ‘sqa ‘, ‘tools ‘]
Solution
62). Python to find maximum and minimum values in the given heterogeneous list.
Input: [‘Sqa’, 6, 5, 2, ‘Tools’]
Output: [6,2]
Solution
63). Python program to sort a given list in ascending order according to the sum of its sublist.
Input: [[3, 5, 6], [2, 1, 3], [5, 1, 1], [1, 2, 1], [0, 4, 1]]
            14         6         7           4          5
Output = [[1, 2, 1], [0, 4, 1], [2, 1, 3], [5, 1, 1], [3, 5, 6]]
Solution
64). Python program to extract the specified sizes of strings from a given list of string values.
Input: [‘Python’, ‘Sqatools’, ‘Practice’, ‘Program’, ‘test’, ‘list’]
size = 8
Output: [‘Sqatools’, ‘Practice’]
Solution
65). Python program to find the difference between consecutive numbers in a given list.
Input list: [1, 1, 3, 4, 4, 5, 6, 7]
Output list: [0, 2, 1, 0, 1, 1, 1]
Solution
66). Python program to calculate the average of the given list.
Input : [3, 5, 7, 2, 6, 12, 3]
Output: 5.428571428571429
Solution
67). Python program to count integers in a given mixed list.
Input list: [‘Hello’, 45, ‘sqa’,  23, 5, ‘Tools’, 20]
Output: 4
Solution
68). Python program to access multiple elements of the specified index from a given list.
Input list: [2, 3, 4, 7, 8, 1, 5, 6, 2, 1, 8, 2]
Index list: [0, 3, 5, 6]
Output: [2, 7, 1, 5]
Solution
69). Python program to check whether a specified list is sorted or not.
Input list : [1, 2, 3, 5, 7, 8, 9]
Output: True
 
Input list: [3, 5, 1, 6, 8, 2, 4]
Output: False
Solution
70). Python program to remove duplicate dictionaries from a given list.
Input : [{‘name’: ‘john’}, {‘city’: ‘mumbai’}, {‘Python’: ‘laguage’}, {‘name’: ‘john’}]
Output: [{‘city’: ‘mumbai’}, {‘Python’: ‘laguage’}]
Solution
71). Python program to check if the elements of a given list are unique or not.
Input: [2, 5, 6, 7, 4, 11, 2, 4, 66, 21, 22, 3]
Output: False
Solution
72). Python program to remove duplicate sublists from the list.
Input: [[1, 2], [3, 5], [1, 2], [6, 7]]
Output: [[3, 5],[6, 7]]
Solution
73). Python program to create a list by taking an alternate item from the list.
Input: [3, 5, 7, 8, 2, 9, 3, 5, 11]
Output: [3, 7, 2, 3, 11]
Solution
74). Python program to remove duplicate tuples from the list.
Input: [(2, 3), (4, 6), (5, 1), (2, 3), (7, 9), (5, 1)]
Output: [(2,3), (4, 6), (5,1), (7, 9)]
Solution
75). Python program to insert an element before each element of a list.
Input :[3, 5, 7, 8]
element = ‘a’
Output: [‘a’, 3, ‘a’, 5, ‘a’, 7, ‘a’, 8]
Solution
76). Python program to remove the duplicate string from the list.
Input: [‘python’, ‘is’, ‘a’, ‘best’, ‘language’, ‘python’, ‘best’]
Output: [‘python’, ‘is’, ‘a’, ‘best’, ‘language’]
Solution

77). Python program to get the factorial of each item in the list.

Solution

78). Python program to get a list of Fibonacci numbers from 1 to 20.

Solution
79). Python program to reverse all the numbers in a given list.
Input : [123, 145, 633, 654, 254]
Output: [321, 541, 336, 456, 452]
Solution
80). Python program to get palindrome numbers from a given list.
Input : [121, 134, 354, 383, 892, 232]
Output : [121, 282, 232]
Solution
81). Python program to get a count of vowels in the given list.
Input : [‘Learning’, ‘Python’, ‘From’, ‘SqaTool’]
Output : 8
Solution
82). Python program to get the list of prime numbers in a given list.
Input : [11, 8, 7, 19, 6, 29]
Output : [11,  7,  19, 29]
Solution
83). Python program to get a list with n elements removed from the left and right.
Input : [2, 5, 7, 9, 3, 4]
Remove 1 element from left
[5, 7, 9, 3, 4]
 
Remove 1 element from the right
[2, 5, 7, 9, 3]
 
Remove 2 elements from left
[7, 9, 3, 4]
 
Remove 2 elements from right
[2, 5, 7, 9]
Solution
84). Python program to create a dictionary with two lists.
Input :
list1 : [‘a’, ‘b’, ‘c’, ‘d’, ‘e’]
list2 : [234, 123, 456, 343, 223]
Output: {‘a’: 234, ‘b’: 123, ‘c’: 456, ‘d’: 343, ‘e’: 223}
Solution
85). Python program to remove the duplicate item from the list using set.
Input : [2, 5, 7, 8, 2, 3, 4, 12, 5, 6]
Output : [2, 5, 7, 8, 3, 4, 12, 6]
Solution
86). Python program to insert a sublist into the list at a specific index.
Input : [4, 6, 8, 2, 3, 5]
sublist, index
[5, 2, 6], 3
Output: [4, 6, 8, [5, 2, 6], 2, 3, 5]
Solution
87). Python program to calculate the bill per fruit purchased from a given fruits list.
Input =
Fruit list with Price: [[‘apple’, 30], [‘mango’, 50], [‘banana’, 20], [‘lichi’, 50]]
Fruit with quantity: [[‘apple’, 2]]
Output =
Fruit: Apple
Bill: 60
Fruit: mango
Bill: 500
Solution
88). Python program to calculate percentage from a given mark list, the max mark for each item is 100.
Marks_list : [80, 50, 70, 90, 95]
Output: 77%
Solution
89). Python program to get the list of all palindrome strings from the given list.
Input: [‘data’, ‘python’, ‘oko’, ‘test’, ‘ete’]
Output: [‘oko’, ‘ete’]
Solution
90). Python program to flatten a given nested list structure.
Input: [0, 12, [22, 32], 42, 52, [62, 72, 82], [92, 102, 112, 122]]
Output: [0, 12, 22, 32, 42, 52, 62, 72, 82, 92, 102, 112, 122]
Solution
91). Python program to convert tuples in the list into a sublist.
Input: [(3, 5), (6, 8), (8, 11), (12, 14), (17, 23)]
Output: [[3, 5], [6, 8], [8, 11], [12, 14], [17, 23]]
Solution
92). Python program to create a dictionary from a sublist in a given list.
Input: [[‘a’, 5], [‘b’, 8], [‘c’, 11], [‘d’, 14], [‘e’, 23]]
Output: {‘a’: 5, ‘b’: 8, ‘c’: 11, ‘d’: 14, ‘e’: 23}
Solution
93). Python program to replace ‘Java’ with ‘Python’ from the given list.
Input: [‘Hello’, ‘student’, ‘are’, ‘learning’, ‘Python’, ‘Its’, ‘Python’, ‘Language’]
Output: [‘Hello’, ‘student’, ‘are’, ‘learning’, ‘Java’, ‘Its’, ‘Java’, ‘Language’]
Solution
94). Python program to convert the 3rd character of each word to a capital case from the given list.
Input: [‘Hello’, ‘student’, ‘are’, ‘learning’, ‘Python’, ‘Its’, ‘Python’, ‘Language’]
Output: [‘HelLo’, ‘stuDent’, ‘are’, ‘leaRning’, ‘PytHon’, ‘Its’, ‘PytHon’, ‘LanGuage’]
Solution
95). Python program to remove the 2nd character of each word from a given list.
Input: [‘Hello’, ‘student’, ‘are’, ‘learning’, ‘Python’, ‘Its’, ‘Python’, ‘Language’]
Output: [‘Hllo’, ‘sudent’, ‘ae’, ‘larning’, ‘Pthon’, ‘Is’, ‘Pthon’, ‘Lnguage’]
Solution
96). Python program to get a length of each word and add it as a dictionary from the given list.
Input: [‘Hello’, ‘student’, ‘are’, ‘learning’, ‘Python’, ‘Its’, ‘Language’]
Output: [{‘Hello’:5, ‘student’: 7, ‘are’: 3, ‘learning’: 8, ‘Python’: 6, ‘Its’: 3, ‘Language’: 8}]
Solution
97). Python program to remove duplicate dictionaries from the given list.
Input: [{‘Hello’:5}, {‘student’: 7}, {‘are’: 3}, {‘learning’: 8}, {‘Hello’:5}, ,{‘Language’: 8}, {‘are’: 3}]
Output: [{‘Hello’:5, ‘student’: 7, ‘are’: 3, ‘learning’: 8, ‘Python’: 6, ‘Its’: 3, ‘Language’: 8}]
Solution
98). Python program to decode a run-length encoded given list.
Input: [[2, 1], 2, 3, [2, 4], 5, 1]
Output: [1, 1, 2, 3, 4, 4, 5, 1]
Solution
99). Python program to round every number in a given list of numbers and print the total sum of the list.
Input: [22.4, 4.0, -16.22, -9.1, 11.0, -12.22, 14.2, -5.2, 17.5]
Output: 27
 
list1 = [2, 4, 6, 7, 5, 8, 3, 11]

result = [x**2 for x in list1 if x%2 == 0]

print("Result :", result)

Output :

Result : [4, 16, 36, 64]
Solution
100).  Python Program to get the Median of all the elements from the list.
list1 = [2, 4, 6, 7, 5, 8, 3, 11]

result = [x**2 for x in list1 if x%2 == 0]

print("Result :", result)

Output :

Result : [4, 16, 36, 64]
Solution

101). Python Program to get the Standard deviation of the list element.
102). Python program to convert all numbers to binary format from a given list.
103). Python program to convert all the numbers into Roman numbers from the given list.

Python Lists Project Ideas

1). To-do List: Python list program that allows users to create and manage their to-do lists. Users can add, delete, and update tasks on their list.  Each task can add along with a unique id which will first element of each sub-list through which the user can easily identify the item and task.

2). Shopping List: A program that allows users to create and manage their shopping list. Users can add, delete, and update items on their list. There are many Python list programs listed above those can help user to solve this project.

3). Game Leaderboard: A program that keeps track of scores for multiple players in a game. Use Python lists to store the scores and display a leaderboard of the top players. Nowadays people like to play games and users can apply a basic understanding of Python list programs to write code for this mini-project. 

4). Student Gradebook: A Python list program that allows teachers to enter and manage student grades. Use Python lists and sub-lists to store student names and their corresponding grades.

5). Password Manager: A program that securely stores and manages passwords using Python lists. Users can add, delete, and update passwords, and the program can encrypt the data for added security, Its good exercises to apply understanding Python list programs. 

6). Music Library: A Python list program that allows users to create and manage a music library. Users can add, delete, and update songs, artists, and album details in the list.

7). Recipe Book: A program that allows users to create and manage their recipe book. Users can add, delete, and update recipes, ingredients, and cooking instructions.

8). Contact List: A Python list program that allows users to manage their contact list. Users can add, delete, and update contacts’ names, phone numbers, and email addresses in the list.

9). Movie Library: A Python list program that allows users to create and manage a movie library. Users can add, delete, and update movies, actors, and directors in the list.

10). Sports Team Roster: A program that allows coaches to manage their sports team roster. Coaches can add, delete, and update players’ names, positions, and statistics in the list.

Official reference for python list data structure

Python String Programs, Exercises

by

Python string is a sequence of characters, such as “hello”. They can be used to represent text in a programming language. Strings can be created by enclosing a sequence of characters between double quotes, such as “hello”, or by using the str() function.

1). Write a Python program to get a string made of the first and the last 2 chars from a given string. If the string length is less than 2, return instead of the empty string

Solution

2). Python string program that takes a list of strings and returns the length of the longest string.

Solution

3). Python string program to get a string made of 4 copies of the last two characters of a specified string (length must be at least 2).

Solution

4). Python string program to reverse a string if it’s length is a multiple of 4.

Solution

5). Python string program to count occurrences of a substring in a string.

Solution

6). Python string program to test whether a passed letter is a vowel or consonant.

Solution

7). Find the longest and smallest word in the input string.

Solution

8). Print most simultaneously repeated characters in the input string.

Solution

9). Write a Python program to calculate the length of a string with loop logic.

Solution

10). Write a Python program to replace the second occurrence of any char with the special character $.
Input = “Programming”
Output = “Prog$am$in$”

Solution

11). Write a python program to get to swap the last character of a given string.
Input = “SqaTool”
Output = “IqaTooS”

Solution

12). Write a python program to exchange the first and last character of each word from the given string.
Input = “Its Online Learning”
Output = “stI enlino gearninL”

Solution

13). Write a python to count vowels from each word in the given string show as dictionary output.
Input = “We are Learning Python Codding”
output = {“We” : 1, “are” : 2, “Learning” : 3, “Python”:1, “Codding”}

Solution

14). Write a python to repeat vowels 3 times and consonants 2 times.
Input = “Sqa Tools Learning”
Ouput = “SSqqaaa TToooooollss LLeeeaaarrnniiinngg”

Solution

15). Write a python program to re-arrange the string.
Input = “Cricket Plays Virat”
Output = “Virat Plays Cricket”

Solution

16). Write a python program to get all the digits from the given string.
Input = “””
Sinak’s 1112 aim is to 1773 create a new generation of people who
understand 444 that an organization’s 5324 success or failure is
based on 555 leadership excellence and not managerial
acumen
“””
Output = [1112, 5324, 1773, 5324, 555]

Solution

17). Write a python program to replace the words “Java” with “Python” in the given string.
Input = “JAVA is the Best Programming Language in the Market”
Output = “Python is the Best Programming Language in the Market”

Solution

18). Write a Python program to get all the palindrome words from the string.
Input = “Python efe language aakaa hellolleh”
output = [“efe”, “aakaa”, “hellolleh”]

Solution

19). Write a Python program to create a string with a given list of words.
Input = [“There”, “are”, “Many”, “Programming”, “Language”]
Output = There are many programming languages.

Solution

20). Write a Python program to remove duplicate words from the string.
Input = “John jany sabi row john sabi”
output = “John jany sabi row”

Solution

21). Write a Python to remove unwanted characters from the given string.
Input = “Prog^ra*m#ming”
Output = “Programming”

Input = “Py(th)#@&on Pro$*#gram”
Output = “PythonProgram”

Solution

22). Write a Python program to find the longest capital letter word from the string.
Input = “Learning PYTHON programming is FUN”
Output = “PYTHON”

Solution

23). Write a Python program to get common words from strings.
Input String1 = “Very Good Morning, How are You”
Input String1 = “You are a Good student, keep it up”
Output = “You Good are”

Solution

24). Write a Python program to find the smallest and largest word in a given string.
Input = “Learning is a part of life and we strive”
Output = “a”, “Learning”

Solution

25). Check whether the given string is a palindrome (similar) or not.
Input= sqatoolssqatools
Output= Given string is not a palindrome

Solution

26). Write a program using python to reverse the words in a string.
Input= sqatools python
Output= slootaqs

Solution

27). Write a program to calculate the length of a string.
Input= “python”
Output = 6

Solution

28). Write a program to calculate the frequency of each character in a string.
Input = “sqatools”
Output = {‘s’:2, ‘q’:1, ‘a’: 1, ‘t’:1,‘o’:2, ‘l’:1, ‘s’:1}

Solution

29). Write a program to combine two strings into one.
Input: 
A = ’abc’
B = ’def’
Output = abcdef

Solution

30). Write a program to print characters at even places in a string.
Input = ‘sqatools’
Output = saol

Solution

31). Write a program to check if a string has a number or not.
Input = ‘python1’
Output = ‘Given string have a number’

Solution

32). Write a python program to count the number of vowels in a string.
Input= ‘I am learning python’
Output= 6

Solution

33). Write a python program to count the number of consonants in a string.
Input= ‘sqltools’
Output= 6

Solution

34). Write a program to print characters at odd places in a string.
Input = ‘abcdefg’
Output = ‘bdf’

Solution

35). Write a program to remove all duplicate characters from a given string in python.
Input = ‘sqatools’
Output = ‘sqatol’

Solution

36). Write a program to check if a string has a special character or not
Input = ‘python$$#sqatools’
Output =  ‘Given string has special characters

Solution

37). Write a program to exchange the first and last letters of the string
Input = We are learning python
Output = ne are learning pythoW

Solution

38). Write a program to convert all the characters in a string to Upper Case.
Input = ‘I live in pune’
Output = ‘I LIVE IN PUNE’

Solution

39). Write a program to remove a new line from a string using python.
Input = ‘objectorientedprogramming\n’
Output = ‘Objectorientedprogramming’

Solution

40). Write a python program to split and join a string
Input =‘Hello world’
Output = [‘Hello’, ‘world’]
                 Hello-world

Solution

41). Write a program to print floating numbers up to 3 decimal places and convert it to string.
Input = 2.14652
Output= 2.146

Solution

42). Write a program to convert numeric words to numbers.
Input = ‘five four three two one’
Output = 54321

Solution

43). Write a python program to find the location of a word in a string
Input Word = ‘problems’
Input string = ‘ I am solving problems based on strings’
Output = 4

Solution

44). Write a program to count occurrences of a word in a string.

Word = ‘food’
Input str = ‘ I want to eat fast food’
Occurrences output= 1

Word = ‘are’
Input str = “We are learning Python, wow are you”
Occurrences output = 2 

Solution

45). Write a python program to find the least frequent character in a string.
Input =  ‘abcdabdggfhf’
Output = ‘c’

Solution

46). Find the words greater than the given length.
Ex length = 3
Input = ‘We are learning python’
Output – ‘learning python’

Solution

47). Write a program to get the first 4 characters of a string.
Input = ‘Sqatools’
Output = ‘sqat’

Solution

48). Write a Python program to get a string made of the first 2 and the last 2 chars from a given string.
Input = ‘Sqatools’
Output = ‘Sqls’ 

Solution

49). Write a python program to print the mirror image of the string.
Input = ‘Python’
Output = ‘nohtyp 

Solution

50). Write a python program to split strings on vowels
Input = ‘qwerty’
Output = ‘qw rty’

Solution

51). Write a python program to replace multiple words with certain words.
Input = “I’m learning python at Sqatools”
Replace python with SQA  and sqatools with TOOLS 
Output = “I’m learning SQA at TOOLS “

Solution

52). Write a python program to replace different characters in the string at once.
Input = ‘Sqatool python’
Replace a with 1,
Replace t with 2,
Replace o with 3
Output = ‘sq1233l py2h3n”

Solution

53). Write a python program to remove empty spaces from a list of strings.
Input = [‘Python’, ‘ ‘, ‘ ‘, ‘sqatools’]
Output = [‘Python’, ‘sqatools’] 

Solution

54).  Write a python program to remove punctuations from a string
Input = ‘Sqatools : is best, for python’
Output = ‘Sqatools is best for python’

Solution

55).  Write a python program to find duplicate characters in a string
Input = “hello world”
Output = ‘lo’

Solution

56).  Write a python program to check whether the string is a subset of another string or not
Input str1 = “iamlearningpythonatsqatools”
str = ‘pystlmi’
Output = True

Solution

57). Write a python program to sort a string
Input = ‘xyabkmp’
Output = ‘abkmpxy’

Solution

58). Write a python program to generate a random binary string of a given length.
Input = 8
Output = 10001001

Solution

59). Write a python program to check if the substring is present in the string or not
Input string= ‘I live in Pune’
Substring= ‘I live ‘
Output = ‘Yes

Solution

60). Write a program to find all substring frequencies in a string.
Input str1 = “abab” 
Output = {‘a’: 2, ‘ab’: 2, ‘aba’: 1,‘abab’: 1, ‘b’: 2, ‘ba’: 1, ‘bab’: 1}  

Solution

61). Write a python program to print the index of the character in a string.
Input = ‘Sqatools’
Output = ‘The index of q is 1’

Solution

62). Write a program to strip spaces from a string.
Input = ‘    sqaltoolspythonfun     ‘ 
Output = ‘ sqaltoolspythonfun’

Solution

63). Write a program to check whether a string contains all letters of the alphabet or not.
Input = ‘abcdgjksoug’
Output = False

Solution

64). Write a python program to convert a string into a list of words.
Input = ‘learning python is fun’
Output = [learning, python, is, fun] 

Solution

65). Write a python program to swap commas and dots in a string.
Input = sqa,tools.python
Output = sqa.tools,python

Solution

66). Write a python program to count and display the vowels in a string
Input = ‘welcome to Sqatools’
Output = 7

Solution

67). Write a Python program to split a string on the last occurrence of the delimiter. 
Input = ‘l,e,a,r,n,I,n,g,p,y,t,h,o,n’
Output = [‘l,e,a,r,n,I,n,g,p,y,t,h,o ‘ ,’n’]

Solution

68). Write a Python program to find the first repeated word in a given string. 
Input = ‘ab bc ca ab bd’
Output = ‘ab’

Solution

69). Write a program to find the second most repeated word in a given string using python.
Input = ‘ab bc ac ab bd ac nk hj ac’
Output = (‘ab’, 2)

Solution

70). Write a Python program to remove spaces from a given string.
Input = ‘python at sqatools’
Output = ‘pythonatsqatools’

Solution

71). Write a Python program to capitalize the first and last letters of each word of a given string.
Input = ‘this is my first program’
Output = ‘ThiS IS MY FirsT PrograM’

Solution

72). Write a Python program to calculate the sum of digits of a given string.
Input = ’12sqatools78′
Output = 18

Solution

73). Write a Python program to remove zeros from an IP address. 
Input = 289.03.02.054
Output = 289.3.2.54

Solution

74). Write a program to find the maximum length of consecutive 0’s in a given binary string using python.
Input = 10001100000111
Output = 5 

Solution

75). Write a program to remove all consecutive duplicates of a given string using python.
Input = ‘xxxxyy’
Output = ‘xy’

Solution

76). Write a program to create strings from a given string. Create a string that consists of multi-time occurring characters in the said string using python.
Input = “aabbcceffgh”
Output = ‘abcf’

Solution

77). Write a Python program to create a string from two given strings combining uncommon characters of the said strings.  

Input string :
s1 = ‘abcdefg’
s2 = ‘xyzabcd’
Output string : ‘efgxyz’

Solution

78). Write a Python code to remove all characters except the given character in a string. 
Input = “Sqatools python”
Remove all characters except S
Output = ‘S’

Solution

79). Write a program to count all the Uppercase, Lowercase, special character and numeric values in a given string using python.
Input = ‘@SqaTools.lin’
Output:
Special characters: 1
Uppercase characters: 2
Lowercase characters: 8

Solution

80). Write a Python program to count a number of non-empty substrings of a given string.
Input a string = ‘sqatools12’
Number of substrings = 55

Solution

81). Write a program to remove unwanted characters from a given string using python.
Input = ‘sqa****too^^{ls’
Output = ‘Sqatools’

Solution

82). Write a program to find the string similarity between two given strings using python.
Input : 
Str1 = ‘Learning is fun in Sqatools’
Str2 = ‘Sqatools Online Learning Platform’

Output :
Similarity : 0.4

Solution

83). Write a program to extract numbers from a given string using python.
Input = ‘python 456 self learning 89’
Output = [456, 89]

Solution

84). Write a program to split a given multiline string into a list of lines using python.
Input =”’This string Contains
Multiple
Lines”’
Output = [‘This string Contains’, ‘Multiple’, ‘Lines’]

Solution

85). Write a program to add two strings as they are numbers using python.
Input :
a=’3′, b=’7′
Output  = ’10’

Solution

86). Write a program to extract name from a given email address using python.
Input = ‘student1@gmail.com’
Output = ‘student’

Solution

87). Write a  program that counts the number of leap years within the range of years using python. The range of years should be accepted as a string. 

(“1981-2001)  =  Total leap year 5

Solution

88). Write a program to insert space before every capital letter appears in a given word using python. 
Input = ‘SqaTools pyThon’
Output = ‘ Sqa Tools py Thon’ 

Solution

89). Write a program to uppercase half string using python.
Input = ‘banana’
Output = ‘banANA’

Solution

90). Write a program to split and join a string using “-“.
Input = ‘Sqatools is best’
Output = ‘Sqatools-is-best’

Solution

91). Write a python program to find permutations of a given string using in built function.
Input  = ‘CDE’
Output = [‘CDE’, ‘CED’ ‘EDC’, ‘ECD’, ‘DCE’, ‘DEC’]

Solution

92). Write a program to avoid spaces in string and get the total length
Input = ‘sqatools is best for learning python’
Output = 31

Solution

93). Write a program to accept a string that contains only vowels
Input = ‘python’
Output- ‘not accepted’

Input = ‘aaieou’
Output = ‘accepted’

Solution

94). Write a program to remove the kth element from the string
K=2
Input = ‘sqatools’
Output = ‘sqtools’

Solution

95). Write a program to check if a given string is binary or not.
Hint: Binary numbers only contain 0 or 1.

Input = ‘01011100’
Output = yes

Input = ‘sqatools 100’
Output = ‘No’

Solution

96). Write a program to add ‘ing’ at the end of the string using python.
Input = ‘xyz’
Output = ‘xyzing’

Solution

97). Write a program to add ly at the end of the string if the given string ends with ing.
Input = ‘winning’
Output = ‘winningly’

Solution

98). Write a program to reverse words in a string using python.
Input = ‘string problems’
Output = ‘problems string’

Solution

99). Write a program to print the index of each character in a string.
Input =  ‘sqatools’
Output :
Index of s is 0
Index of q is 1
Index of a is 2
Index of t is 3
Index of o is 4
Index of o is 5
Index of l is 6
Index of s is 7

Solution

100). Write a program to find the first repeated character in a string and its index.
Input = ‘sqatools’
Output = (s,0)

Solution

101). Write a program to swap cases of a given string using python.
Input = ‘Learning Python’
Output = ‘lEARNING pYTHON’

Solution

102). Write a program to remove repeated characters in a string and replace it with a single letter using python.
Input = ‘aabbccdd’
Output = ‘cabd’

Solution

103). Write a program to print a string 3 times using python.
Input = ‘sqatools’
Output = ‘sqatoolssqatoolssqatools’

Solution

104). Write a program to print each character on a new line using python.
Input = ‘python’
Output:
p
y
t
h
o
n

Solution

105). Write a program to get all the email id’s from given string using python.
Input str = “”” We have some employee whos john@gmail.com email id’s are randomly distributed jay@lic.com we want to get hari@facebook.com all the email mery@hotmail.com id’s from this given string.”””
Output = [‘john@gmail.com’, ‘ jay@lic.com’, ‘hari@facebook.com’, ‘mery@hotmail.com’ ]

Solution

106). Write a program to get a list of all the mobile numbers from the given string using python.
Input str = “”” We have 2233 some employee 8988858683 whos 3455 mobile numbers are randomly distributed 2312245566 we want 453452 to get 4532892234 all the mobile numbers 9999234355  from this given string.”””
Output = [‘8988858683’, ‘2312245566’, ‘4532892234’, ‘9999234355’]

Solution