<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_tokens(self, node, include_extra=False):
 """ Yields all tokens making up the given node. If include_extra is True, includes non-coding tokens such as tokenize.NL and .COMMENT. """

    return self.token_range(node.first_token, node.last_token, include_extra=include_extra)