save project

diy2.py

-username = "python"
-userpassword = "123456"
+i = 3
+username = "hkr"
+userpassword = "123456789"
 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!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
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+    if i>1:
+        name = input("请输入你的账号名：")
+        password = input("请输入你的密码：")
+        i = i-1
+        if name == username and password == userpassword:
+            print("登录成功！")
+            break
+        if name != username:
+            print("账号不存在，请重新输入!")
+            print("温馨提示，你还有"+str(i)+"次机会")
+            continue
+        if password != userpassword:
+            print("用户名的密码错误！请重新输入")
+            print("温馨提示，你还有"+str(i)+"次机会")
+    else:
+        print("你的账号被锁定")
+        exit()
+print("欢迎来到贝尔编成！")
\ No newline at end of file