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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 long_form_multiple_formats(jupytext_formats, metadata=None):
 """Convert a concise encoding of jupytext.formats to a list of formats, encoded as dictionaries"""

    if not jupytext_formats:
        return []

    if not isinstance(jupytext_formats, list):
        jupytext_formats = [fmt for fmt in jupytext_formats.split(',') if fmt]

    jupytext_formats = [long_form_one_format(fmt, metadata) for fmt in jupytext_formats]

    return jupytext_formats