save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
-i=0
+i=3
 while i<3:
 while i<3:
-    i=i+1
+    i=i-1
     left=3-i
     left=3-i
     left=str(left)
     left=str(left)
     name = input("请输入用户名:")
     name = input("请输入用户名:")
@@ -17,4 +17,7 @@ while i<3:
     if password!=userpassword:
     if password!=userpassword:
         print("密码输入有误，请重新输入！")
         print("密码输入有误，请重新输入！")
         print("还有"+left+"次机会)
         print("还有"+left+"次机会)
-print("欢迎来到贝尔编程!")
+if i>0:
\ No newline at end of file
+    print("欢迎来到贝尔编程!")
+else:
+    print("登录失败，超出登录次数")
\ No newline at end of file