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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 read_perseus(f):
 """ Load a Perseus processed data table :param f: Source file :return: Pandas dataframe of imported data """

    df = pd.read_csv(f, delimiter='\t', header=[0,1,2,3], low_memory=False)
    df.columns = pd.MultiIndex.from_tuples([(x,) for x in df.columns.get_level_values(0)])
    return df