[Python] 判斷是否為 空(None) (0 為 False)
Conditionals / Conditional expressions
  - a is None/- a is not None
  - a == None/- a != None
  - not a(- not 0為- True)
Python 中視作 False 的物件
- None,- False
- 0
- (),- [],- {},- set(),- range(0)
In if/while statement
- if a:/- if not a:
- while a:/- while not a:
※ a 可以是變數,也可以是 list, dict, set, … 等 data structure
Last Updated on 2023/08/16 by A1go
 
	
           
  