diff --git a/diy1.py b/diy1.py
index 0735a44..a81ffc2 100644
--- a/diy1.py
+++ b/diy1.py
@@ -1,5 +1,11 @@
 #定义一个函数sum_numbers()
 #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(num):
+    if num == 10:
+        return 1
+    end = sum_numbers(num-1)
+    return num+end
 
-
+result = sum_numbers(100)
+print(result)
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