How to Comment Multiple Lines in Python [2024]

Python is a widely used programming language, mainly known for its simplicity and readability.

Trying to comment on Multiple Lines in Python? then there are multiple easy methods for completing tasks! You can use the hash character # or turn the lines into a string. This Papayacoders shows you How to Comment Multiple Lines in Python and provides detailed explanations.

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Comment Multiple Lines in Python

In Python, comments are annotations within the code. They are mainly used to explain the functionality of the code, or temporarily disable certain parts of the code.

Single-line comments

Single-line comments in Python start with the ‘#’ symbol and continue until the end of the line.  we use the hash symbol # to write a single-line comment.

# Comment on a single line

name = "Pied Piper" # Comment after code

Multi-line comments

Unlike some other programming languages, Python does not have a built-in syntax for multi-line comments.

'''
This is a multiline comment
It spans multiple lines
Python will ignore these lines when executing the code
'''
print('Hello, World!')
# Output:
# Hello, World!

Comment multiple lines in Python Shortcut

Commenting multiple lines in Python can be done using various methods:-

Using multiple single-line comments

Block of code that needs to be commented out.

# This is a multi-line comment
# Line 1 of the comment
# Line 2 of the comment
# Line 3 of the comment

Using triple quotes for multi-line comments

Block of code within triple quotes (”’ or “””).

'''
This is a multi-line comment
Line 1 of the comment
Line 2 of the comment
Line 3 of the comment
'''

Using the # symbol on each line

You can use the ‘#’ symbol at the beginning of each line.

# This is a multi-line comment
# Line 1 of the comment
# Line 2 of the comment
# Line 3 of the comment

Why Commenting Code is Important?

Commenting code is also a very essential practice in software development and Comments make the code more understandable, It promotes clarity, documentation, collaboration, as well as learning, ultimately leading to better quality code and more efficient development processes.

• Clarity and Understanding
• Comments help in maintaining and updating the codebase by providing guidance
• Comments serve as documentation
• Well-commented code can make debugging much easier.
• Collaboration and Teamwork
• Valuable learning tools for beginners and aspiring developers.

Multiline Comments in Larger Projects

"""
Calculate the factorial of a given integer.

@param n: The integer to calculate the factorial for.
@return: The factorial of n.
"""
def factorial(n):
    # Initialize the result
    result = 1
    
    # Multiply result by integers from 1 to n
    for i in range(1, n + 1):
        result *= i
    
    return result

Different Shortcuts in IDE to Comment Out Multiple Lines

 Here are the common shortcuts for some popular IDEs:-

• Sublime Text: Use the shortcut Ctrl + / (Windows/Linux) or Command + / (Mac).
• PyCharm: Use the shortcut Ctrl + / (Windows/Linux) or Command + / (Mac).
• Visual Studio Code: Use the shortcut Ctrl + / (Windows/Linux) or Command + / (Mac).

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Conclusion:-

Improving readability, understandability and maintainability, and making commenting code easier to understand is an extremely essential aspect of Python programming. By following best practices and using different methods to comment multiple lines, developers can increase the quality and usability of their code.

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