ed by I{getpwuid}, I{getpwnam}, and I{getpwall}
        is indexable, with successive indexes starting from 0 corresponding to
        the values of the C{pw_name}, C{pw_passwd}, C{pw_uid}, C{pw_gid},
        C{pw_gecos}, C{pw_dir}, and C{pw_shell} attributes, respectively.
        r