def get_example(self, i):
    example = self.get_examples([i], None)
    example = tuple((col[0] for col in example))
    if (self.mode is tuple):
        return example
    elif (self.mode is dict):
        return dict(zip(self.keys, example))
    elif (self.mode is None):
        return example[0]
def get_example(self, i):
    example = self.get_examples([i], None)
    example = tuple((col[0] for col in example))
    if (self.mode is tuple):
        return example
    elif (self.mode is dict):
        return dict(zip(self.keys, example))
    elif (self.mode is None):
        return example[0]