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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 generate(cls, public_keys, amount):
 """Generates a Output from a specifically formed tuple or list. Note: If a ThresholdCondition has to be generated where the threshold is always the number of subconditions it is split between, a list of the following structure is sufficient: Args: public_keys (:obj:`list` of :obj:`str`):
 The public key of the users that should be able to fulfill the Condition that is being created. amount (:obj:`int`):
 The amount locked by the Output. Returns: An Output that can be used in a Transaction. Raises: TypeError: If `public_keys` is not an instance of `list`. ValueError: If `public_keys` is an empty list. """

        threshold = len(public_keys)
        if not isinstance(amount, int):
            raise TypeError('`amount` must be a int')
        if amount < 1:
            raise AmountError('`amount` needs to be greater than zero')
        if not isinstance(public_keys, list):
            raise TypeError('`public_keys` must be an instance of list')
        if len(public_keys) == 0:
            raise ValueError('`public_keys` needs to contain at least one'
                             'owner')
        elif len(public_keys) == 1 and not isinstance(public_keys[0], list):
            if isinstance(public_keys[0], Fulfillment):
                ffill = public_keys[0]
            else:
                ffill = Ed25519Sha256(
                    public_key=base58.b58decode(public_keys[0]))
            return cls(ffill, public_keys, amount=amount)
        else:
            initial_cond = ThresholdSha256(threshold=threshold)
            threshold_cond = reduce(cls._gen_condition, public_keys,
                                    initial_cond)
            return cls(threshold_cond, public_keys, amount=amount)