diff --git a/diy2.py b/diy2.py
index 2bc971e..5c46afd 100644
--- a/diy2.py
+++ b/diy2.py
@@ -1,4 +1,13 @@
 message = "诺依，周末一起去看动漫展吧！"
 
 # 请对message进行遍历，取出所有元素
+for i in range(len(message)):
+    print(message[i])
 
+
+
+import random
+
+key = "我是你ba!"
+str = random.choice(key)
+print(str)
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