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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 MarkdownColumn(name, deferred=False, group=None, **kwargs):
 """ Create a composite column that autogenerates HTML from Markdown text, storing data in db columns named with ``_html`` and ``_text`` prefixes. """

    return composite(MarkdownComposite,
        Column(name + '_text', UnicodeText, **kwargs),
        Column(name + '_html', UnicodeText, **kwargs),
        deferred=deferred, group=group or name
    )