class Array(list):
    def __getitem__(self, indices):
        current = super(self.__class__, self)
        for index in indices:
            current = current.__getitem__(index)
        return current

a = Array([[[1,2,3],[4,5,6]],
           [[0,1,2],[9,8,7]]])
print a[1,0,2] # 2

class Array(list):class Array(list):
    def __mapItem(self, index):
        # we are creating a function in order to use map()
        # which does exactly the same thing as yours
        self.current = self.current.__getitem__(index)

    def __getitem__(self, indices):
        self.current = super(self.__class__, self)
        # map every index to the target item using the __mapItem function
        map(self.__mapItem, indices)
        return self.current

a = Array([[[1,2,3],[4,5,6]],
           [[0,1,2],[9,8,7]]])
print a[1,0,2] # 2