Commit 5ce41801 by BellCodeEditor

save project

parent 40eb12f4
Showing with 8 additions and 0 deletions
......@@ -3,3 +3,10 @@
#要求这个函数能计算1+2+3+……+num的结果
def sum(n):
if n==1:
return 1
num = n + sum(n-1)
return num
print(sum(5))
\ No newline at end of file
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