save project

diy1.py

+i=999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
 name = "我"    # 保存在服务器数据库中的用户账号（正确的账号）
 password = "123456"
 while True:
-    usr_name = input("请输入用户名:")
-    # 请用input()实现用户输入账号、密码的功能
-    usr_password = input("请输入密码:")
-    if ust_name != name or  usr_word != password:
-        print("登录成功!")
-        break
-    if usrname != name:
-        print("用户名错误!")
-    elif usr_word != password:
-       print("密码错误!") 
+    if i>0:
+        usr_name = input("请输入用户名:")
+        usr_password = input("请输入密码:")
+        i-=1
+        if usr_name == name and usr_word == password:
+            print("登录成功!")
+            break
+        if usr_name != name:
+            print("用户名错误!")
+        elif usr_word != password:
+            print("密码错误!") 
+    else:
+        print("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
+
 # 如果用户输入的账号、密码正确，提示登陆成功
\ No newline at end of file