def _symbol_to_qsr(self, symbols):
"""Transforming alphabet symbols to QTCB states.
:param symbols: A list of symbols
:return: The list of corresponding qtc symbols
"""
ret = []
for s in symbols:
ret.append(ind2qtc3d(s))
return ret
def symbol_to_qsr(self, symbol):
return ind2qtc3d(symbol)