@property
    def is_private(self):
        return self in IPv6Network('fc00::/7')
Retreive the index i where `a_pair_list[i][0]' is equal to `a_key`.
dataset/ETHPy150Open uwdata/termite-data-server/web2py/gluon/contrib/ipaddr.py/_BaseV6.is_private--crossover with--dataset/ETHPy150Open tioui/Vim_Eiffel_IDE/pyplugin/eiffel_class.py/index_of_key_in_pair