Commit ea716a6d by BellCodeEditor

save project

parent 40eb12f4
Showing with 7 additions and 1 deletions
......@@ -2,4 +2,9 @@
#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
a=int(input())
b=a
for i in range(a):
b-=1
a=a+b
print(a)
\ No newline at end of file
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