save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
+    if i ==0:
+        print("已上锁")
+        exit()
+    if password != userpassword and name != username:
+        i=i-1
+        print("用户名错误和密码错误!请重新输入")
+        continue
     if name != username :
         print("用户名错误!请重新输入")
+        i=i-1
     if password != userpassword:
         print("密码错误!请重新输入")
+        i=i-1
     if name == username and password == userpassword:
         print("登录成功")
         break