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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 concat(self, second_iterable):
        '''Concatenates two sequences.

        Note: This method uses deferred execution.

        Args:
            second_iterable: The sequence to concatenate on to the sequence.

        Returns:
            A Queryable over the concatenated sequences.

        Raises:
            ValueError: If the Queryable is closed().
            TypeError: If second_iterable is not in fact iterable.
        '''
        if self.closed():
            raise ValueError("Attempt to call concat() on a closed Queryable.")

        if not is_iterable(second_iterable):
            raise TypeError("Cannot compute concat() with second_iterable of "
                  "non-iterable {0}".format(str(type(second_iterable))[7: -1]))

        return self._create(itertools.chain(self, second_iterable))