How to express True in Python and True in Python

Source: Internet
Author: User

How to express True in Python and True in Python
In Python, how does one express True to False?

  • 0 is False, and all other values are True.
  • The empty string ("") is False, and all other strings are True.
  • Empty list ([]) is False, and all other lists are True
  • Null tuple () is False, and all other tuple is True
  • Null dict ({}) is False, and all other dcit instances are True.
Several methods to prevent writing
If I = 0: if str = "": if list = None: if set is None: if dict = None:
Elegant writing

Corresponding to the above example

If not I: if not str: if not list: if not set: if not dicte:
From: jihite

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