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generic_mean

Implement a generic function called generic_mean which will take a collection as the first argument (it can be a list, a set, or a list of tuples) and a function as a second argument that obtains a number from each element of the collection. The generic_mean should also ignore all the elements which have the value of 0 after applying the function.
def generic_mean():
	...

print(generic_mean([1, 0, 3], lambda x: x))                   # 2
print(generic_mean({1, 2, 3}, lambda x: x))                   # 2
print(generic_mean([(1, 3), (4, 6)], lambda x: x[0] + x[1]))  # 7
 
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