save project

diy2.py

 username = "python"
 userpassword = "123456"
-while True:
+a=0
+while a<5:
     name = input("请输入用户名:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
@@ -8,7 +9,11 @@ while True:
         break
     if name!=username:
         print("用户名错误!请重新输入")
+        a=a+1
+        print("您还有"+str(5-a)+"次登陆机会")
         continue
     if password!=userpassword:
         print("密码错误!请重新输入")
+        a=a+1
+        print("您还有"+str(5-a)+"次登陆机会")
 print("欢迎来到贝尔编程!")
\ No newline at end of file