save project

.py

+i=3
 uesrname = "python"
 uesrname = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名：")
-    password = input(请输入密码：")
-    if name ==username and password == userpassword:
+    if i>0:
+        name = input("请输入用户名：")
+        password = input(请输入密码：")
+        i=i-1
+        if name ==username and password == userpassword:
         print("登陆成功！")
         print("登陆成功！")
         break
         break
-    elif name != uesrname:
+        elif name != uesrname:
         print("用户名不存在，请重新输入！")
         print("用户名不存在，请重新输入！")
-    else:
+        else:
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")
+    else:
+        print("登录次数已用完")
+        exit()
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
\ No newline at end of file