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Python Features and Its Contribution

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Python, a popular high-level programming language,
has gained immense popularity over the years due to its simplicity, versatility, and extensive range of features. It has emerged as a go-to language for developers, data scientists, and AI enthusiasts. In this article, we will explore the various features of Python and its significant contributions to the world of programming.

Table of Contents

  1. Introduction to Python
  2. Readability and Simplicity
  3. Interpreted Language
  4. Dynamic Typing
  5. Object-Oriented Programming (OOP)
  6. Extensive Standard Library
  7. Cross-Platform Compatibility
  8. Easy Integration with Other Languages
  9. Large Community and Active Support
  10. Web Development with Python
  11. Data Science and Machine Learning
  12. Automation and Scripting
  13. Testing and Debugging
  14. Scalability and Performance
  15. Conclusion

Introduction to Python

Python, created by Guido van Rossum in the late 1980s, is a versatile and powerful programming language. It was designed with a focus on simplicity and readability, allowing developers to write clean and expressive code. Python follows an open-source philosophy, making it freely available for everyone to use and contribute to its development.

Readability and Simplicity

One of the remarkable features of Python is its emphasis on readability. Its syntax is clear, concise, and easy to understand, making it an ideal language for beginners. Python utilizes indentation to define code blocks, which enhances code readability and enforces good coding practices.

Interpreted Language

Python is an interpreted language, meaning that there is no need for compilation before execution. This feature enables developers to write code and immediately see the results, making the development process faster and more efficient.

Dynamic Typing

In Python, variables are dynamically typed, which means that the type of a variable is determined at runtime. This flexibility allows for more expressive coding and makes Python suitable for rapid prototyping and quick development cycles.

Object-Oriented Programming (OOP)

Python fully supports object-oriented programming, allowing developers to create reusable and modular code. It provides features like classes, objects, inheritance, and polymorphism, making it easy to build complex applications and maintain codebases efficiently.

Extensive Standard Library

Python comes with a vast standard library that provides a wide range of modules and functions for various purposes. This library eliminates the need to write code from scratch for common tasks, such as file handling, network programming, regular expressions, and more. The availability of these modules boosts productivity and speeds up the development process.

Cross-Platform Compatibility

Python is highly portable and can run on different operating systems, including Windows, macOS, Linux, and Unix. Developers can write code once and run it anywhere, making Python an excellent choice for cross-platform development.

Easy Integration with Other Languages

Python’s versatility extends to its ability to integrate with other programming languages seamlessly. It provides robust support for integrating code written in languages like C, C++, and Java, enabling developers to leverage existing codebases and libraries.

Large Community and Active Support

Python boasts a vibrant and active community of developers, who contribute to its growth and share their knowledge and expertise. The availability of extensive documentation, tutorials, and online forums ensures that developers can find answers to their questions and receive support promptly.

Web Development with Python

Python offers various frameworks, such as Django and Flask, that simplify web development tasks. These frameworks provide tools and libraries for handling web requests, managing databases.

creating interactive web applications. With Python, developers can build robust and scalable web solutions, ranging from simple websites to complex web applications.

Data Science and Machine Learning

Python has emerged as a dominant language in the field of data science and machine learning. Its rich ecosystem of libraries and frameworks, including NumPy, Pandas, and scikit-learn, provide powerful tools for data manipulation, analysis, and modeling. Python’s simplicity and ease of use make it an ideal choice for data scientists and machine learning practitioners to explore and analyze data, build predictive models, and deploy machine learning algorithms in real-world applications.

Automation and Scripting

Python excels in automation and scripting tasks. Its concise syntax and extensive library support allow developers to automate repetitive tasks, streamline workflows, and enhance productivity. Whether it’s automating file operations, performing system administration tasks, or building custom scripts, Python provides a versatile and efficient solution.

Testing and Debugging

Python offers robust testing and debugging capabilities, making it easier for developers to ensure the quality and reliability of their code. The built-in unit testing framework, along with third-party libraries like PyTest, simplifies the process of writing and executing tests. Python’s debugging tools, such as pdb and integrated development environments (IDEs) like PyCharm, facilitate efficient debugging and troubleshooting.

Scalability and Performance

While Python is renowned for its simplicity and ease of use, it also provides ways to improve performance and scalability. Integrating Python with high-performance libraries like NumPy and utilizing techniques such as code optimization and parallel processing can significantly enhance the execution speed of Python programs. Additionally, Python’s integration with languages like C and its support for multiprocessing enable developers to tackle computationally intensive tasks efficiently.

Conclusion

Python’s extensive range of features and its contributions to various domains have made it a preferred language for developers worldwide. Its simplicity, readability, and versatility, combined with its vast ecosystem of libraries and frameworks, empower developers to build robust applications, analyze data, automate tasks, and create innovative solutions. Whether you are a beginner or an experienced developer, Python offers a rich and rewarding programming experience.

FAQs (Frequently Asked Questions)

  1. Q: Is Python a beginner-friendly language? A: Yes, Python is known for its simplicity and readability, making it an excellent choice for beginners.
  2. Q: Can Python be used for web development? A: Absolutely! Python offers powerful web development frameworks like Django and Flask for building web applications.
  3. Q: What makes Python suitable for data science? A: Python’s extensive libraries, such as NumPy and Pandas, provide robust tools for data manipulation, analysis, and modeling.
  4. Q: Does Python support object-oriented programming? A: Yes, Python fully supports object-oriented programming, enabling developers to create reusable and modular code.
  5. Q: How can I contribute to the Python community? A: You can contribute to the Python community by participating in open-source projects, sharing your knowledge through tutorials or blog posts, and actively engaging in online forums and communities.
 

Python function program to find the sum of all the numbers in a list

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In this python function program, we will find the sum of all the numbers in a list.

What is Function?
It is a block of code that executes when it is called.
To create a function use def keyword.

Steps to solve the program
  1. Create a function total
  2. Use the def keyword to define the function.
  3. Pass a parameter i.e. list to the function.
  4. Create a variable and assign its value equal to 0.
  5. Use a for loop to iterate over the values in the list.
  6. After each iteration add the values to the variable.
  7. Print the output.
  8. Create a list and pass that list to the function while calling the function.
				
					def total(list1):
    t = 0
    for val in list1:
        t += val
    print("Sum of given list: ",t)
    
l = [6,9,4,5,3]
total(l)

Output :

				
					Sum of given list:  27

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Python function program to find the even numbers from a given list.

 

 

 

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Python Pandas program to select the missing rows

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In this python pandas program, we will select the missing rows using pandas library.

Steps to solve the program
  1. Import pandas library as pd.
  2. Create a dataframe using pd.DataFrame().
  3. Select the missing rows in the age column using df[df[‘Age’].isnull()].
  4. Print the output.
				
					import pandas as pd
import numpy as np
d = {'Sr.no.':[1,2,3,4],'Name':['Alex','John','Peter','Klaus'],'Age':[30,np.nan,29,np.nan]}
df = pd.DataFrame(d)
print(df)
print("Rows where age is missing:")
print(df[df['Age'].isnull()])

Output :

				
					0   Sr.no.   Name   Age
0       1   Alex  30.0
1       2   John   NaN
2       3  Peter  29.0
3       4  Klaus   NaN
Rows where age is missing:
   Sr.no.   Name  Age
1       2   John  NaN
3       4  Klaus  NaN
Previous

count the number of rows and columns in a DataFrame

Next

print the names who’s age is between 25-30 using Pandas

Check whether elements in the series are greater than other series

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In this python pandas program, we will elements in the series are greater than other series.

Steps to solve the program
  1. Import pandas library as pd.
  2. Create two series using pd.Series().
  3. Check whether elements in the series are greater than other series or not using ” > “.
  4. Print the output.
				
					import pandas as pd
df1 = pd.Series([1,6,9,5])
df2 = pd.Series([5,2,4,5])
print("Greater than:")
print(df1 > df2)

Output :

				
					Greater than:
0    False
1     True
2     True
3    False
dtype: bool
Previous

check whether elements in the series are equal or not

Next

convert a dictionary to a series

Check whether a given character is uppercase or not.

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In this python if else program, we will check whether a given character is uppercase or not.

Steps to solve the program
  1. Take a character as input through the user.
  2. Check whether a given character is uppercase or not using isupper().
  3. Use an if-else statement for this purpose.
  4. Print the output.
				
					char = input("Enter a character: ")
if char.isupper():
    print("True")
else:
    print("False")

Output :

				
					Enter a character: A
True

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Python OS Module Programs, Exercises

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Python os module helps to perform operating system related the task like creating a directory, removing a directory, get the current directory, copying files, running the command etc.

1). Write a Python Program To Get The Current Working Directory.

2). Write a Python Program To Get The Environment Variable

3). Write a Python Program To Set The Environment Variable

4). Write a Python Program To Get a List Of All Environment Variable Using os.environ.

5). Write a Python Program To Create a Directory Using os.mkdir()

6). Write a Python Program To Create 10 DirecTories With a Random Name.

7). Write a Python Program To Create 10 DirecTories On a Nested Level.

8). Write a Python Program To Remove An Empty Directory Using os.rmdir()

9). Write a Python Program To Remove a Non-empty DirecTory Using

10). Write a Python Program To Join 2 paths.

11). Write a Python Program To Check The File On a Given Path.

12). Write a Python Program To Check The Directory On The Given Path

13). Write a Python Program To Get a list Of all data from the Target Path.

14). Write a Python Program To Get The Total File Count In The Target Path.

15). Write a Python Program To Get The Total Folder Count In The Target Path

16). Write a Python Program To Get The Count Of Each File Extension In The Target Path.

17). Write a Python Program To Copy The File Source Path To The Target Path.

18). Write a Python Program To Copy Specific Extension Files From The Source To The Target Path.

19). Write a Python Program To Copy 10 Files In 10 Different Nested Directories.

20). Write a Python Program To Remove The File From The Given Path.

21). Write a Python Program To remove Specific Extension Files From The Target Path.

22). Write a Python Program To Create a Backup Application.
Note: We have To filter each extension file and copy it To a specific folder.

23). Write a Python Program To Run The Windows Commands.

24). Write a Python Program To Provide Command Line Arguments.

25). Write a Python Program To Get System Version Information.

26). Write a Python Program To List Path Set Using os.get_exce_path() Method.

27). Write a Python Program To Get a Random String Using os.urandom() Method.

28). Write a Python Program To Check Read Permission On Give Path Using os.access() Method.

29). Write a python Program To Get The File Size Using os.path.getsize() Method.

30). Write a Python Program To Change The Current Working Directory.

31). Write a Python Program To Scan Target DirecTory And Print All Files Name.
Using an os.scandir() Method.

32). Write a Python Program To Create Complete Path Directories With os.mkdirs() Method.

33). Write a Python Program To Execute Any Other Python Script Using os.sysetem() Method.

34). Write a Python Program To Create a Fake Data File Of 10 Different Extensions.

35). Write a Python Program To Print Data Name, PATH, and Data Type From Target Path.
Example 1:
Name : TestFolder
Path : C:\TestFolder
Type : Folder

Example 2:
Name : testdata.txt
Path : C:\testdata.txt
Type : File

36). Write a Python Program To Print All Nested Level Files/Folders Using os.walk() Methd

37). Write a Python Program To Change File/Folder Permission Using os.chmod() Method.

38). Write a Python Program To Change File/Folder Ownership Using os.chown() Method.

39). Write a Python Program To Rename Folder Name Using os.rename() Method.

40). Write a Python Program To Rename All Folders in Path Using os.remanes() Method.

41). Write a Python Program To Change Root Directory Using os.chroot() Method.

42). Write a Python Program To CPU Count Using os.cpu_count() Method.

43). Write a Python Program To Split Files/Folders from Path Using os.path.split() Method.

44). Write a Python Program To Get Ctime of File/Folder Using os.path.getctime() Method.

45). Write a Python Program To Get The Modified Time of File/Folder Using os.path.getmtime() Method.

46). Write a Python Program To Check Given Path Exist Using os.path.exists() Method.

47). Write a Python Program To Check Given Path is Link Using os.path.islink() Method.

48). Write a Python Program To Check All States of The File Using os.stat() Method.

51). Write a Python To Provide Command Line Arguments To Python File.

52). Write a Python Program To Get Platform Information.

53). Write a Python Program To Get Python Version Info.

 

Python Functional, Programs And Excercises

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A Python function is a sequence of statements that executes a specific task. A function can take arguments, which are the information passed to the function when it is called. Functions can also return values, which are the result of executing the function.

1). Python function program to add two numbers.

Solution

2). Python function program to print the input string 10 times.

Solution

3). Python function program to print a table of a given number.

Solution

4). Python function program to find the maximum of three numbers.

Input: 17, 21, -9
Output: 21

Solution

5). Python function program to find the sum of all the numbers in a list.
Input : [6,9,4,5,3]
Output: 27

Solution

6). Python function program to multiply all the numbers in a list.
Input : [-8, 6, 1, 9, 2]
Output: -864

Solution

7). Python function program to reverse a string.
Input: Python1234
Output: 4321nohtyp

Solution

8). Python function program to check whether a number is in a given range.
Input : num = 7, range = 2 to 20
Output: 7 is in the range

Solution

9). Python function program that takes a list and returns a new list with unique elements of the first list.
Input : [2, 2, 3, 1, 4, 4, 4, 4, 4, 6]
Output : [2, 3, 1, 4, 6 ]

Solution

10). Python function program that take a number as a parameter and checks whether the number is prime or not.
Input : 7
Output : True

Solution

11). Python function program to find the even numbers from a given list.
Input : [1, 2, 3, 4, 5, 6, 7, 8, 9]
Output : [2, 4, 6, 8]

Solution

12). Python function program to create and print a list where the values are squares of numbers between 1 to 10.
Input: 1 to 10
Output: 1, 4, 9, 16, 25, 36, 49, 64, 81

Solution

13). Python function program to execute a string containing Python code.

Solution

14). Python function program to access a function inside a function.

Solution

15). Python function program to find the LCM of two numbers.
Input: 12, 20
Output: 60

Solution

16). Python function program to calculate the sum of numbers from 0 to 10.
Output: 55

Solution

17). Python function program to find the HCF of two numbers.
Input: 24 , 54
Output: 6

Solution

18). Python function program to create a function with *args as parameters.
Input: 5, 6, 8, 7
Output: 125 216 512 343

Solution

19). Python function program to get the factorial of a given number.
Input: 5
Output: 120

Solution

20). Python function program to get the Fibonacci series up to the given number.
Input: 10
Output: 1 1 2 3 5 8 13 21 34

Solution

21). Python function program to check whether a combination of two numbers has a sum of 10 from the given list.
Input : [2, 5, 6, 4, 7, 3, 8, 9, 1]
Output : True

Solution

1, 22). Python function program to get unique values from the given list.
Input : [4, 6, 1, 7, 6, 1, 5]
Output : [4, 6, 1, 7, 5]

Solution

23). Python function program to get the duplicate characters from the string.
Input: Programming
Output: {‘g’,’m’,’r’}

Solution

24). Python function program to get the square of all values in the given dictionary.
Input = {‘a’: 4, ‘b’ :3, ‘c’ : 12, ‘d’: 6}
Output = {‘a’: 16, ‘b’ : 9, ‘c’: 144, ‘d’, 36}

Solution

25). Python function program to create dictionary output from the given string.
Note: Combination of the first and last character from each word should be
key and the same word will the value in the dictionary.
Input = “Python is easy to Learn”
Output = {‘Pn’: ‘Python’, ‘is’: ‘is’, ‘ey’: ‘easy’, ‘to’: ‘to’, ‘Ln’: ‘Learn’}

Solution

26). Python function program to print a list of prime numbers from 1 to 100.

Solution

27). Python function program to get a list of odd numbers from 1 to 100.

Solution

28). Python function program to print and accept login credentials.

Solution

29). Python function program to get the addition with the return statement.

Solution

30). Python function program to create a Fruitshop Management system.

Solution

31). Python function program to check whether the given year is a leap year.

Solution

32). Python function program to reverse an integer.

Solution

33). Python function program to create a library management system.

Solution

34). Python function program to add two Binary numbers.

Solution

35). Python function program to search words in a string.

Solution

36). Python function program to get the length of the last word in a string.

Solution

37). Python function program to get a valid mobile number.

Solution

38). Python function program to convert an integer to its word format.

Solution

39). Python function program to get all permutations from a string.

Solution

40). Python function program to create a function with **kwargs as parameters.

41). Python function program to create a function local and global variable.