Construct the following pattern.

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In this program, we will construct the following star pattern.

   *
   *  *
   *  *  *
   *  *  *  *
   *  *  *  *  *
   *  *  *  *
   *  *  *
   *  *
   *

				
					# first loop iterate from 1 to 6
for i in range(1, 6):
    # inner loop iterate from 1 to value of i+1
    for j in range(1, i+1):
        # print * for each iteration of j
        print("*", end=" ")
    print()

# this is second section will iterate 
# from 5 to 1 in decreasing order
for i in range(5, 1, -1):
    for j in range(i, 1, -1):
        print("*", end=" ")
    print()

Output :

				
					
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
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numbers which are divisible by 7 and multiple of 5

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add the word from the user to the empty string

Find numbers divisible by a certain number

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In this program, we will find those numbers divisible by a certain number and a multiple of another number.

Steps to solve the program
  1. Use for loop with range function to iterate over all the numbers from 1500 to 2700.
  2. Using an if statement check if the number is divisible by 7 and a multiple of 5.
  3. Print such numbers
				
					for i in range(1500,2701):
        if i%7 == 0 and i%5 == 0:
            print(i, end=" ")

Output :

				
					1505 1540 1575 1610 1645 1680 1715 1750 1785 1820 1855 1890 1925 1960 
1995 2030 2065 2100 2135 2170 2205 2240 2275 2310 2345 2380 2415 2450 
2485 2520 2555 2590 2625 2660 2695
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construct the following pattern

Get a list of mobile numbers from the string

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In this program, we will take a string as input and get a list of mobile numbers from the given string.

Steps to solve the program
  1. Take a list as input.
  2. Convert the string into a list using split() and create an empty list.
  3. Use for loop to iterate over every word in the list.
  4. If the length of the word is 10 and that word contains all numbers then add that word to the empty list.
  5. Print the output.
				
					#Input string
str1 = """"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"""
List1 = str1.split(" ")
List2 = []

for val in List1:
    if len(val) == 10 and val.isnumeric():
        List2.append(val)

        
#Printing outptut
print(List2)

Output :

				
					['8988858683', '2312245566', '4532892234', '9999234355']
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get all the email id’s from given string

Get all the email id’s from the given string

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In this program, we will take a string as input and get all the email id’s from the given string.

Steps to solve program
  1. Take a string as input.
  2. Convert the string into a list using split() and create an empty list.
  3. Using for loop iterate over each word in the string.
  4. If the character in the word contains “@” add that word to the empty string.
  5. Print the output.
				
					#Input string
str1 = """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"""
List = str1.split(" ")
List1 = []

for char in List:
    for val in char:
        if val == "@":
            List1.append(char)
            
#Printing output
print(List1)

Output :

				
					['john@gmail.com', 'jay@lic.com', 'hari@facebook.com', 'mery@hotmail.com']
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print each character on a new line

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get a list of all the mobile numbers from the given string

Remove repeated characters in a string

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In this program, we will take a string as input and remove repeated characters in a word of a string and replace it with a single letter.

Steps to solve the program
  1. Take a string as input.
  2. Remove the repeated characters in a string using set().
  3. Print the output.
				
					#Input string
str1 = "aabbccdd"

#Printing output
print("".join(set(str1)))

Output :

				
					cabd
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swap cases of a given string

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print a string 3 times

Program to swap cases of a given string

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In this program, we will take a string as input and swap cases of a given string.

Steps to solve the program
  1. Take a string as input.
  2. Swap the cases of the characters using swapcase().
  3. Print the output.
				
					#Input string
str1 = "Learning Python"

#Printing output
print(str1.swapcase())

Output :

				
					lEARNING pYTHON
Previous

find the first repeated character in a string and its index.

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remove repeated characters in a string and replace it with a single letter

Find the first repeated character and its index.

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In this program, we will take a string as input and find the first repeated character in a string and its index.

Steps to solve the program
  1. Take a string as input.
  2. Use for loop with range() function to find the first repeated character.
  3. Find the index of that character using Index().
  4. After finding the first character break the loop.
  5. Print the output.
				
					#Input string
str1 = "sqatools"

for i in range(len(str1)):
    for j in range(i+1,len(str1)):
        if str1[i] == str1[j]:
            print(f"({str1[i]},{str1.index(str1[i])})")
    break

Output :

				
					(s,0)
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index of each character in a string.

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swap cases of a given string using python.

Print the index of each character in a string.

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In this program, we will take a string as input and print the index of each character in a string.

Steps to solve the program
  1. Take a string as input.
  2. Use for loop to iterate over each character of the string.
  3. Find the index of the character using Index().
  4. Print the output.
				
					#Input string
str1 = "python"

for char in str1:
    print(f"Index of {char} is {str1.index(char)}")

Output :

				
					Index of p is 0
Index of y is 1
Index of t is 2
Index of h is 3
Index of o is 4
Index of n is 5
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reverse words in a string using python.

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find the first repeated character in a string and its index.