What does the python language use strictly?

The Python language uses strict "indentation" to represent the format framework of the program. Indentation refers to the blank space before the beginning of each line of code, which is used to indicate the inclusion and hierarchical relationship between codes.

1 space indentation = 4 spaces

Indentation is the only way to indicate the program framework in the Python language.

Python’s indentation method:

Use the tab key

Indent a few spaces (usually 4)

For example, the following example:

>>> if True:
…… print("this is true") //
…… print("this is true") //
…… else:
…… print("this is false")//
…… print("this is false")//

Output result:

this is true
this is true

It should be noted that although Python syntax allows code blocks to be indented by any number of spaces, all statements located in the same code block must maintain the same indentation. , you cannot indent 3 spaces at a time or 4 spaces at a time.

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