save project

diy1.py

@@ -2,11 +2,11 @@
 #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
 def sum_numbers(n):
-    if n==10:
+    if n==1:
         return 1
-    num=(sum_numbers+1)
-    return num
-    sum_numbers_num=sum_numbers(9)
-    print(sum_numbers_num)
+    sth=sum_numbers(n-1)
+    return sth
+    sum_numbers_sth=sum_numbers(9)
+    print(sum_numbers_sth)
     
     
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