save project

diy.py

@@ -6,5 +6,6 @@ bor.remove("关羽")
 bor.pop(0)
 bor.pop(-1)
 bor.append("关羽")
-bor.index("关羽")
+bor.insert(1,"关羽")
+bor.extend("关羽")
 print(bor)
\ No newline at end of file