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