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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 get_kbr_items(kb_name, searchkey="", searchvalue="", searchtype='s'):
 """Return a list of dictionaries that match the search. :param kb_name: the name of the knowledge base :param searchkey: search using this key :param searchvalue: search using this value :param searchtype: s = substring, e=exact :return: a list of dictionaries [{'key'=>x, 'value'=>y},..] """

    kb = get_kb_by_name(kb_name)
    return kb.get_kbr_items(searchkey, searchvalue, searchtype)