class Attachment:
    id: None
    course_id: None
    name: ""
    content: ""
    url: ""

    def __init__(self, attachment_id, course_id, name, content, url):
        self.id = attachment_id
        self.course_id = course_id
        self.name = name
        self.content = content
        self.url = url

    def __repr__(self):
        return f"Attachment(id={self.id}, course_id={self.course_id}, name={self.name}, content={self.content}, url={self.url})"