save project

diy1.py

+import turtle
+username = python
+userpassword = 123456
+While Ture:
+    name = input("请输入账号：")
+    password = input("请输入密码：")
+    if name == username and password == userpassword:
+        print("登录成功")
+        break
+    if name != username:
+        print("用户名错误，请重新输入")
+    if passward != userpassword:
+        print("密码错误，请重新输入")
+print("欢迎来到贝尔编程")
+
+