save project

diy2.py

-username = "python"
-userpassword = "123456"
+username = "柚子"
+userpassword = "54188"
+i=3
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
     password = input("请输入密码:")
     password = input("请输入密码:")
+    i=i-1
+    if i>0:
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
-    if name!=username:
-        print("用户名和密码错误!请重新输入")
-    if password!=userpassword:
-        print("用户名和密码错误！请重新输入")
+        elif name!=username:
+            print("用户名错误!请重新输入")
+        else:
+            print("密码错误！请重新输入")
+    else:
+        print("输入错误超过三次，您的账号已被锁定。")
+        exit()        
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file