save project

diy1.py

+username = "python"
+userpassword = "123456"
+i= 3
+while True:
+    if i >0:
+        name = input("请输入账号：")
+        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("用户名错误")
+            continue
+        if password != userpassword:
+            print("密码错误，请重新输入")
+    else:
+        print("账户已锁定，请带身份证去解绑")
+        exit()
+print("欢迎来到贝尔编程")
\ No newline at end of file