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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 check_token_type(token_type):
 """ Verify that a token type is well-formed True False True False """

    return check_string(token_type, min_length=1, max_length=LENGTHS['namespace_id'], pattern='^{}$|{}'.format(TOKEN_TYPE_STACKS, OP_NAMESPACE_PATTERN))