block.py 文件源码

def flatten(self, *args):
        """Flatten a nested tuple/list of tuples/lists"""
        flattened_list = []
        for element in args:
            if isinstance(element, (tuple, list)):
                flattened_list.extend(self.flatten(*element))
            else:
                flattened_list.extend([element])
        return flattened_list