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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 determine(chord, shorthand=False, no_inversions=False, no_polychords=False):
 """Name a chord. This function can determine almost every chord, from a simple triad to a fourteen note polychord."""

    if chord == []:
        return []
    elif len(chord) == 1:
        return chord
    elif len(chord) == 2:
        return [intervals.determine(chord[0], chord[1])]
    elif len(chord) == 3:
        return determine_triad(chord, shorthand, no_inversions, no_polychords)
    elif len(chord) == 4:
        return determine_seventh(chord, shorthand, no_inversions, no_polychords)
    elif len(chord) == 5:
        return determine_extended_chord5(chord, shorthand, no_inversions,
                no_polychords)
    elif len(chord) == 6:
        return determine_extended_chord6(chord, shorthand, no_inversions,
                no_polychords)
    elif len(chord) == 7:
        return determine_extended_chord7(chord, shorthand, no_inversions,
                no_polychords)
    else:
        return determine_polychords(chord, shorthand)