On Mon, Mar 19, 2018 at 2:32 PM, Andrew Z <form...@gmail.com> wrote:
> hello,
>
> i'd like to check if a function parameter (json) has all the keys I expect
> it to have and if it doesn't - point out the one that is missing.
>
> What's the good way of doing that?
>
> "good way" - something concise... i'd like to avoid using :
> if key in json:
> #pass
> else
> print(" Oops, i did it again ...")
Sounds like a set operation to me.
expected = {"foo", "bar", "spam"}
missing = expected - set(json)
if missing:
print("Missing keys:", missing)
ChrisA
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