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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 reshape_array(data_header, array):
 """Extract the appropriate array shape from the header. Can handle taking a data header and either bytes containing data or a StructureData instance, which will have binary data as well as some additional information. Parameters array : :class:`numpy.ndarray` data_header : Data """

    shape = tuple(r.size for r in data_header.section.range)
    if shape:
        return array.reshape(*shape)
    else:
        return array