auto save

diy.py

 message="诺依，周末一起去看动漫展吧！"
-for i in message:
-    print(i)
\ No newline at end of file
+length=len(message)
+i=0
+while i < length:
+    element=message[i]
+    print(element)
+    i += 1
\ No newline at end of file