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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 _parse_field_list(fieldnames, include_parents=False):
 """ Parse a list of field names, possibly including dot-separated subform fields, into an internal ParsedFieldList object representing the base fields and subform listed. :param fieldnames: a list of field names as strings. dot-separated names are interpreted as subform fields. :param include_parents: optional boolean, defaults to False. if True, subform fields implicitly include their parent fields in the parsed list. """

    field_parts = (name.split('.') for name in fieldnames)
    return _collect_fields(field_parts, include_parents)