Indentation in if-else construct in Python

In Python, indentation determines which blocks of a if-else construct are paired. Therefore, the lines below each block must be one indent apart. This is equal to four spaces or one tab.

Let's look at the general scheme of the if-else condition. In the correct version, the code should be one indent away from its block with the condition:

If you remove the indentation, Python will return an error: