find_max recursive

find_max.py

def find_max(iterable):
    lst = list(iterable)
    n = len(lst)
    if n == 0:
        raise Exception('Not possible finding max of empty')

    def find_iter(current_max, i):
        if i == n:
            return current_max
        current = lst[i]
        return find_iter(
            current_max if current_max >= current else current,
            i+1
        )

    return find_iter(lst[0], 1)


print(find_max(range(3)))