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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 label_contains( node, triggers ):
 """Determine if node contains any of the trigger_words provided. Args: node(Node):
 CFG node to check. trigger_words(list[Union[Sink, Source]]):
 list of trigger words to look for. Returns: Iterable of TriggerNodes found. Can be multiple because multiple trigger_words can be in one node. """

    for trigger in triggers:
        if trigger.trigger_word in node.label:
            yield TriggerNode(trigger, node)