def copy(self):
        return self.__class__(self.maps[0].copy(), *self.maps[1:])
Ask for a directory to save to.
dataset/ETHPy150Open ionelmc/python-aspectlib/src/aspectlib/py2chainmap.py/ChainMap.copy--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/spread/ui/tkutil.py/askdirectory