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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 from_cif_file(cif_file, source='', comment=''):
 """ Static method to create Header object from cif_file Args: cif_file: cif_file path and name source: User supplied identifier, i.e. for Materials Project this would be the material ID number comment: User comment that goes in header Returns: Header Object """

        r = CifParser(cif_file)
        structure = r.get_structures()[0]
        return Header(structure, source, comment)