save project

diy1.py

@@ -3,3 +3,10 @@
 #要求这个函数能计算1+2+3+……+num的结果
 
 
+def sum_numders(num):
+    if num == 1:
+        return 1
+    temp = sum_numders(num-1)
+    return num +temp
+result=sum_numders(100)
+print(result)
\ No newline at end of file