save project

LOGIN.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-
-username1=input("请输入用户名:")
-password1=input("请输入密码: ")
-
-if username==username1 and userpassword==password1 :
-    print("登录密码")
+while True:
+    username1=input("请输入用户名:")
+    password1=input("请输入密码: ")
+    if username==username1 and userpassword==password1 :
+        print("登录成功")
+        break
\ No newline at end of file
+    print("输入错误，请重新输入")
+print("欢迎来到贝尔编程")
\ No newline at end of file