save project

diy2.py

 username = "python"
 userpassword = "123456"
-i=0
+i=4
 while True:
-    if i<3:
+    if i>0:
 
          name = input("请输入用户名:")
          if name != username:
               print("用户名错误!请重新输入")
-              i+=1
+              i-=1
+              print("你还剩"+str(i)+"次机会")
          password = input("请输入密码:")
          if name == username and password == userpassword:
               print("登录成功!")
@@ -16,7 +17,9 @@ while True:
          else:
               if password != userpassword:
                  print("密码错误!请重新输入")
-                 i+=1
-         if i>3:
+                 i-=1
+                 
+                 print("你还剩"+str(i)+"次机会")
+         if i<=0:
              print("禁止登陆")
              break