Commit 84dda0d7 by BellCodeEditor

save project

parent 40eb12f4
Showing with 11 additions and 2 deletions
#定义一个函数sum_numbers() #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 #要求这个函数能计算1+2+3+……+num的结果
def sum_numbers(num):
if num==1:
return 1
B=0
for i in range(num):
B=B+num
num=num-1
print(B)
a=sum_numbers(int(input("")))
print(a)
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