save project

bug.py

 username = "SB"
 username = "SB"
 userpassword = "54188"
 userpassword = "54188"
-name = input("请输入用户名:")
-password = input("请输入密码:")
-if name == username and password ==userpassword:
-    print("登录成功!")
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password ==userpassword:
\ No newline at end of file
+        print("登录成功!")
+        break
+    print("用户名和密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
\ No newline at end of file