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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 is_metatype(rdtype):
 """True if the type is a metatype. @param rdtype: the type @type rdtype: int @rtype: bool"""


    if rdtype >= TKEY and rdtype <= ANY or rdtype in _metatypes:
        return True
    return False