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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 _get_adjustment(mag, year, mmin, completeness_year, t_f, mag_inc=0.1):
    '''
    If the magnitude is greater than the minimum in the completeness table
    and the year is greater than the corresponding completeness year then
    return the Weichert factor

    :param float mag:
        Magnitude of an earthquake

    :param float year:
        Year of earthquake

    :param np.ndarray completeness_table:
        Completeness table

    :param float mag_inc:
        Magnitude increment

    :param float t_f:
        Weichert adjustment factor

    :returns:
        Weichert adjustment factor is event is in complete part of catalogue
        (0.0 otherwise)
    '''
    if len(completeness_year) == 1:
        if (mag >= mmin) and (year >= completeness_year[0]):
            # No adjustment needed - event weight == 1
            return 1.0
        else:
            # Event should not be counted
            return False

    kval = int(((mag - mmin) / mag_inc)) + 1

    if (kval >= 1) and (year >= completeness_year[kval - 1]):
        return t_f
    else:
        return False