python用递归来求和返回列表

Question

Answer 1

Lst = input(">>")
Lst = Lst.split(',')

def abs_sum(L):
    if len(L) == 1:
        return abs(int(L[0]))
    else:
        return abs(int(L[-1])) + abs_sum(L[:-1])

res = abs_sum(Lst)
print(res)