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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 list_of(validate_item):
 """Returns a validator function that succeeds only if the input is a list, and each item in the list passes as input to the provided validator validate_item. :param callable validate_item: the validator function for items in the list :returns: a function which returns True its input is an list of valid items, and raises TypeError otherwise :rtype: callable """

    def validate(value, should_raise=True):
        validate_type = is_type(list)
        if not validate_type(value, should_raise=should_raise):
            return False

        for item in value:
            try:
                validate_item(item)
            except TypeError as e:
                if should_raise:
                    samtranslator.model.exceptions.prepend(e, "list contained an invalid item")
                    raise
                return False
        return True
    return validate