save project

diy2.py

+i = 3
 username = ""
 userpassword = ""
 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("名错了")
-    password != userpassword
+    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
+        elif name != username:
+            print("名错了")
+        
+        else:
+            print("密码错了")
     else:
-         print("密码错了")
+        print("你账号被锁")
+        exit()
+
 print("欢迎来到贝尔编程!")