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
-    elif name != username:
-        print("用户名不存在，请重新输入")
-    else:
-        print("密码错误，请重新输入")
-        
-    
-print("欢迎来到贝尔编程!")
+i = 3
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            print("用户名不存在，请重新输入")
+        if password != userpassword:
+            print("密码错误，请重新输入")
+    else:
+         print("你的账户已被锁定，请一个小时之后再来")
+         exit()   
+    
+print("欢迎来到贝尔编程!")