Commit 4e4f698a by BellCodeEditor

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parent 40eb12f4
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#定义一个函数sum_numbers()
#要求这个函数能接收一个名为num的整型参数
#要求这个函数能计算1+2+3+……+num的结果
def sum1(n):
if n == 1:
return 1;
cnt = sum1(n-1)
return n + cnt
print(sum1(10))
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