Commit 1db88136 by BellCodeEditor

save project

parent c932cc5f
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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 sum_number(num):
if num==1:
return 1
b=(sum_number(num-1)+num)
return b
c=sum_number(250)
print(c)
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