Python程序关于函数的错误输出

Question

def slove(numLegs, numHeads):
    for numChicks in range(0, numHeads + 1):
        numPigs = numHeads - numChicks
        totLegs = 4*numPigs + 2*numChicks
        if totLegs == numLegs:
            return [numPigs, numChicks]
        return [None, None]

我想计算出一系列的核弹和核弹。 我输入slove（20,56），但答案是None。 你能告诉我我的程序有什么问题吗

Answer 1

这应该管用

def slove(numLegs, numHeads):
    for numChicks in range(0, numHeads + 1):
        numPigs = numHeads - numChicks
        totLegs = 4*numPigs + 2*numChicks
        if totLegs == numLegs:
            return [numPigs, numChicks]
    return [None, None]