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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def list_commands(self, *path):
 """Command listing."""

        path_str = ':'.join(path)

        commands = []
        for command in self.commands:

            # Filter based on prefix and the segment length
            if all([command.startswith(path_str),
                    len(path) == command.count(":")]):

                # offset is used to exclude the path that the caller requested.
                offset = len(path_str) + 1 if path_str else 0
                commands.append(command[offset:])

        return sorted(commands)