save project

diy2.py

 i=3
 i=3
+username = 'python'
+userpassword = 123456
 while True:
 while True:
-    if i>0:
+    if i>0: 
             name = input("请输入用户名:")
             name = input("请输入用户名:")
             password = input("请输入密码:")
             password = input("请输入密码:")
+            i=i-1
             if name == username and password == userpassword:
             if name == username and password == userpassword:
-                print("登录成功!")
-                i=i-1
-                break
+                    print("登录成功!")
+                    break
             if name != username:
             if name != username:
                 print("用户名错误,请重新输入!")
                 print("用户名错误,请重新输入!")
+                print("还有"+str(i)+"次机会")
                 continue
                 continue
             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"+str(i)+"次机会")
                 continue
                 continue
             print("欢迎来到贝尔编程!")
             print("欢迎来到贝尔编程!")
-        exit()     
+    else:
\ No newline at end of file
+        print("本机已封锁")
+        exit()
+             
\ No newline at end of file