save project

bug.py

 username="pyinth"
 userpassword="123456"
-name=input("请输入你的账号")
-password=input("请输入你的密码")
-if username == name and userpassword == password:
+while True:
+    name=input("请输入你的账号")
+    password=input("请输入你的密码")
+    if username == name and userpassword == password:
         print("登录成功!!!")
+        break
+    print("用户名错误请重新输入")
+print("欢迎进入贝尔编程")
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