Question

python 判断多个键值是否都在一个字典里

有没有类似的方法，或者一行代码能搞定这个~
Dict.has_keys(key1,key2)

True/False

Answer 1

foo  =  {"foo":1,"bar":2}
if all (k in foo for k in ("foo","bar")):
    print("They're there!")

请点击输入图片描述

Answer 2

set( [ key1 ,key2 ] ).intersection( dict )

Answer 3

def has_keys(dic, *keys):
	for k in keys:
		if k not in dic.keys():
			return False
	return True

has_keys(dict,key1,key2,key3,key4)

Answer 4

set([key1, keys]).issubset(d)