Commit 4271130d by BellCodeEditor

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parent 40eb12f4
Showing with 10 additions and 0 deletions
...@@ -2,4 +2,14 @@ ...@@ -2,4 +2,14 @@
#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
tmp = sum_numbers(num-1) #递出去
sum = tmp + num #归回来
return sum
print(sum_numbers(20))
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