Comments in Python

Comments in Python are lines of text within your code that are not executed as part of the program. Instead, they serve as documentation, providing context, explanations, and instructions to the reader (usually the programmer). Comments are entirely ignored by the Python interpreter, so they don’t affect the program’s functionality.

 In the below PDF we discuss about Comments in Python in detail in simple language, Hope this will help in better understanding.


Types of Comments :

Python supports two primary types of comments

  • Single-line Comments:                                                                                             Single-line comments begin with a hash symbol # and continue until the end of the line. Here’s an example:

  • # This is a single-line comment
    print("Hello, World!") # This is also a comment, but at the end of a line
    Single-line comments are great for adding quick explanations to specific lines of code. 
  • Multiple-line Comments:                                                                                                                     Multi-line comments, also known as docstrings, are used for documenting modules, functions, classes, and methods. Docstrings can span multiple lines and are enclosed in triple quotes (single or double).Here’s an example:
This is a multi-line comment, also known as a docstring.
It can span multiple lines and is typically used to document functions, classes, and modules.
def add(a, b):
    This function takes two arguments and returns their sum.

        a (int): The first number.
        b (int): The second number.

        int: The sum of a and b.

Related Question

In Python, a comment is a piece of text that is not executed as code. It is used to add explanations or notes within the code for human readers.

You can write a single-line comment in Python by using the # symbol. Anything following the # on the same line is considered a comment.

No, overusing comments can make code less readable. Code should be self-explanatory through clear variable names and structure. Comments should be used sparingly to provide additional context or explain complex logic.

Yes, comments can be used to temporarily disable code. By adding a # symbol in front of a line or block of code, it becomes a comment and is not executed when the program runs.

Yes, comments can be placed anywhere in the code, including within functions or methods. They are useful for explaining the purpose of the function, describing its parameters, or clarifying specific steps within the function.


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