001、
>>> test1 = []
>>> test1
[]
>>> if not test1: ## 判断列表为空
... print("no element")
...
no element
002、
>>> test1 = ()
>>> test1
()
>>> if not test1: ## 判断元组为空
... print("no element")
...
no element
003、
>>> test1 = ""
>>> test1
''
>>> if not test1: ## 判断字符串为空
... print("no element")
...
no element
004、判断字典为空
>>> test1 = dict()
>>> test1
{}
>>> if not test1: ## 判断字典为空
... print("no element")
...
no element
005、判断集合为空
>>> test1 = set()
>>> test1
set()
>>> if not test1: ## 判断集合为空
... print("no element")
...
no element
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/tech/pnotes/281126.html