save project

diy2.py

@@ -5,5 +5,9 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
-    print("用户名和密码错误!请重新输入")
+        break
+    if name != username:
+       print("用户名错误!请重新输入")
+    if password != userpassword:
+       print("密码错误!请重新输入")        
 print("欢迎来到贝尔编程!")
\ No newline at end of file

oooo.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
+    if name != username:
+       print("用户名错误!请重新输入")
+    if password != userpassword:
+       print("密码错误!请重新输入")        
+print("欢迎来到贝尔编程!")
\ No newline at end of file