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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_array(fname, sep=','):
 r""" Convert a CSV file without header into a numpy array of floats. [[[0.1 0.2] [0.3 0.4] [0.5 0.6]]] """

    with open(fname) as f:
        records = []
        for line in f:
            row = line.split(sep)
            record = [list(map(float, col.split())) for col in row]
            records.append(record)
        return numpy.array(records)