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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def bet_cancel(self, bet_to_cancel, account=None, **kwargs):
 """ Cancel a bet :param str bet_to_cancel: The identifier that identifies the bet to cancel :param str account: (optional) the account that owns the bet (defaults to ``default_account``) """

        if not account:
            if "default_account" in self.config:
                account = self.config["default_account"]
        if not account:
            raise ValueError("You need to provide an account")
        account = Account(account)
        bet = Bet(bet_to_cancel)
        op = operations.Bet_cancel(
            **{
                "fee": {"amount": 0, "asset_id": "1.3.0"},
                "bettor_id": account["id"],
                "bet_to_cancel": bet["id"],
                "prefix": self.prefix,
            }
        )
        return self.finalizeOp(op, account["name"], "active", **kwargs)