Comments

In Python, comments are essential for explaining code and making it more readable. They can help others (and yourself in the future) understand what you were trying to accomplish with a certain piece of code. Python ignores comments, and they have no impact on the execution of the code.

Single Line Comments

In Python, single line comments start with the # symbol. Anything following the # on that line is a comment.

# This is a single line comment
print("Hello, World!")  # This is a comment too, inline with code

Multi-line Comments

Python does not have a specific syntax for multi-line comments. However, a common practice is to use the # symbol at the beginning of each line:

# This is a multi-line comment
# which spans over several lines.
print("Hello, World!")

Hello, World!

Alternatively, some developers use triple quotes (''' or """) to indicate multi-line comments. While this isn’t their intended purpose (they’re actually string literals), they can serve the function in practice if not assigned to a variable or used in an expression:

'''
This is another way to create
a multi-line comment using triple quotes.
'''
print("Hello, World!")

Hello, World!

Keep in mind that the use of triple quotes for comments is a bit controversial. It’s advisable to stick with the # symbol for consistent commenting practices.