11-pass.md

Python pass

Video link: https://youtu.be/n4B3zYfk_Pg

In this video, we learned about the pass statement in Python.

Programs in the Video

• Python pass Statement

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Python pass Statement

The pass statement is a null statement which is used as a placeholder for future implementation of functions, loops, etc.

Suppose you need to create a loop or a decision making a statement. However, we are not sure yet what its body will be.

Let's try doing something like this:

number = 5.5

if number > 0.0:
    # implement this later

This results in an error message. It is because the body of the if statement is empty; comments don't count because Python completely ignores comments.

File "<string>", line 4
    # implement this later
                         ^
SyntaxError: unexpected EOF while parsing

In such scenarios, we can use the pass statement.

number = 5.5

if number > 0.0:
    pass

This code will run without any errors.

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So, whenever you need to create loops, if...else statements, functions, and classes with an empty body, use the pass statement.