class Tournament:
    date = ""
    type = ""
    format = ""
    decks = []
    bracket = []
    ranking = []

    def __init__(self, date="", type="", format="", decks=[], bracket=[], ranking=[]):
        self.date = date
        self.type = type
        self.date = format
        self.date = decks
        self.date = bracket
        self.date = ranking