An Essential Guide to Python if Statement By Practical Examples

Summary: in this tutorial, you’ll learn how to use the Python if statement to execute a block of code based on a condition.

The simple Python if statement #

You use the if statement to execute a block of code based on a specified condition.

The syntax of the if statement is as follows:

if condition:
    if-blockCode language: Python (python)

The if statement checks the condition first.

If the condition evaluates to True, it executes the statements in the if-block. Otherwise, it ignores the statements.

Note that the colon (:) that follows the condition is very important. If you forget it, you’ll get a syntax error.

The following flowchart illustrates the if statement: