我想做这样的事情:

foo = {
    'foo': 1,
    'zip': 2,
    'zam': 3,
    'bar': 4
}

if ("foo", "bar") in foo:
    #do stuff

如何检查 foo 和 bar 是否都在 dict foo 中？

最佳答案

好吧，你可以这样做:

>>> if all(k in foo for k in ("foo","bar")):
...     print "They're there!"
...
They're there!

https://stackoverflow.com/questions/1285911/