Python: Mapping from intervals to values

Question

I\'m refactoring a function that, given a series of endpoints that implicitly define intervals, checks if a number is included in the interval, and then return a correspondi

Answer 1

Another way ...

def which(lst, p): 
    return len([1 for el in lst if p > el])

lst = [100, 300, 500, 800, 1000]
which(lst, 2)
which(lst, 101)
which(lst, 1001)