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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 AddInstanceTags(r, instance, tags, dry_run=False):
 """ Adds tags to an instance. @type instance: str @param instance: instance to add tags to @type tags: list of str @param tags: tags to add to the instance @type dry_run: bool @param dry_run: whether to perform a dry run @rtype: int @return: job id """


    query = {
        "tag": tags,
        "dry-run": dry_run,
    }

    return r.request("put", "/2/instances/%s/tags" % instance, query=query)