save project

diy2.py

-username = "python"
-userpassword = "123456"
-while True:
-    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!")
-       break
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔!")
\ No newline at end of file
+username = "python"
+userpassword = "123456"
+while True:
+    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!")
+       break
+    if name!= username
+       print("用户名!请重新输入")
+    if password!=userpassword
+       print("密码错误!请重新输入")
+print("欢迎来到贝尔!")