def prepare_tradcom_classification(training=True,
                                   ret_type='df',
                                   sequence_length=5000,
                                   features_list=[1,2,3,4],
                                   output_dim=3,
                                   file_list=None,
                                   mean=None,
                                   std=None,
                                   training_count=None):
    """
    prepare the datasets for the trading competition. training determines which datasets will be read
    returns: X and y: Pandas.DataFrames or np-Arrays storing the X - and y values for the fitting.