Commit 5f972822 by BellCodeEditor

save project

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 sum_nuber(num):
if num==1:
return 1
else:
t=sum_nuber(num-1)+num
return t
r=sum_nuber(4)
print(r)
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