def _build_fret_string_table(self, tuning): self._fret_string_table.append(tuning) for f in range(self.num_frets): if f == 0: continue self._fret_string_table.append([]) for s in range(len(tuning)): prev = Note(self._fret_string_table[f-1][s]) prev.inc(True) self._fret_string_table[f].append(prev.to_str())