class Rover:
    def __init__(self,photo,name,date):
        self.photo = photo
        self.name = name
        self.date = date
       

class Articles:
    def __init__(self,author,title,description,url,poster,time):
        self.author = author
        self.title = title
        self.description = description
        self.url = url
        self.poster = poster
        self.time = time 
class Rover:
    def __init__(self,photo,name,date):
        self.photo = photo
        self.name = name
        self.date = date
       

class Articles:
    def __init__(self,author,title,description,url,poster,time):
        self.author = author
        self.title = title
        self.description = description
        self.url = url
        self.poster = poster
        self.time = time 