save project

diy2.py

+i = 3
 username = "ybbb"
 username = "ybbb"
 userpassword = "ymmm"
 userpassword = "ymmm"
 while True:
 while True:
-    name = input("请输入用户名:")
-    if name != username:
-        print("用户名错误!请重新输入")
-    else:    
-        break
-while True:    
+    if i>0:
+        name = input("请输入用户名:")
+        if name != username:
+            print("用户名错误!请重新输入")
+            contiune    
         password = input("请输入密码:")
         password = input("请输入密码:")
         if password == userpassword:
         if password == userpassword:
             print("登录成功!")  
             print("登录成功!")  
             break 
             break 
         else:
         else:
-            print("用户密码错误!请重新输入")
-        break 
-    break         
+            print("密码错误")
+            i -= 1
+    else:
+        print("账号被冻结")
+        exit()
 print("欢迎来到贝尔编程!")            
 print("欢迎来到贝尔编程!")            
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