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Tag: find

How to check if a value exists in a dictionary?

I have the following dictionary in python: I need a way to find if a value such as “one” or “two” exists in this dictionary. For example, if I wanted to know if the index “1” existed I would simply have to type: And then python would tell me if that is true or false, however I need to do

How find values in an array that meet two conditions using Python

I have an array and I want to find the indices of the element s that meet two conditions i.e. I can use numpy.nonzero(a>3) or numpy.nonzero(a<8) but not numpy.nonzero(a>3 and a<8) which gives the error: When I try to use any or all I get the same error. Is it possible to combine two conditional tests to get the ans?

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