save project

diy2.py

 username = "python"
 userpassword = "123456"
+i = 3
 while True:
+    if i < 1:
+        print("次数用完")
+        break
     name = input("请输入用户名:")
     password = input("请输入密码:")
     if username != name:
@@ -10,6 +14,6 @@ while True:
     else:
         
         print("登录成功!")
-        
+    i-=1    
     print("用户名和密码错误!请重新输入")
 print("欢迎来到贝尔编程!")
\ No newline at end of file