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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 expression_list_to_conjunction(expression_list):
 """Convert a list of expressions to an Expression that is the conjunction of all of them."""

    if not isinstance(expression_list, list):
        raise AssertionError(u'Expected `list`, Received {}.'.format(expression_list))

    if len(expression_list) == 0:
        return TrueLiteral

    if not isinstance(expression_list[0], Expression):
        raise AssertionError(u'Non-Expression object {} found in expression_list'
                             .format(expression_list[0]))
    if len(expression_list) == 1:
        return expression_list[0]
    else:
        return BinaryComposition(u'&&',
                                 expression_list_to_conjunction(expression_list[1:]),
                                 expression_list[0])