新手python问题Write a function called digit_sumthat takes a positive integer n as input and returns the sum of all that number's digits.For example:digit_sum(1234)should return 10 which is 1 + 2 + 3 + 4.(Assume that the number you are given will

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新手python问题Write a function called digit_sumthat takes a positive integer n as input and returns the sum of all that number's digits.For example:digit_sum(1234)should return 10 which is 1 + 2 + 3 + 4.(Assume that the number you are given will
新手python问题
Write a function called digit_sumthat takes a positive integer n as input and returns the sum of all that number's digits.
For example:digit_sum(1234)should return 10 which is 1 + 2 + 3 + 4.
(Assume that the number you are given will always be positive.)
这个要怎么写啊,新手不会做了,来求教.

新手python问题Write a function called digit_sumthat takes a positive integer n as input and returns the sum of all that number's digits.For example:digit_sum(1234)should return 10 which is 1 + 2 + 3 + 4.(Assume that the number you are given will

不知道你给的数据是10进还是16进的,两个都写一下好了

def digit_sum_16( number ):
    con = 0
    while number:
        con += number & 0xF
        number >>= 4
    return con


def digit_sum_10( number ):
    con = 0
    while number:
        con += number % 10
        number /= 10
    return con

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