auto save

1.py

+import turtle
+liuxi=["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
+turtle.colour="green"
+turtle.done

Untitled-1.py.py

+username = "python"
+userpassword"123456"
+while  True:
+    name = input("输入用户名")
+    password = input("输入密码")
+    if name==username and password==userpassword:
+        print("登录成功")
+        break
+        if name != username:
+            print("用户名错误"")
+        continue
+        if assword!=userpassword:
+            print("密码错误")
+        continue
+
+print("欢迎来到贝尔编程")