bad-open-mode:11::"""rwx"" is not a valid mode for open."
bad-open-mode:12::"""rr"" is not a valid mode for open."
bad-open-mode:13::"""+"" is not a valid mode for open."
bad-open-mode:14::"""xw"" is not a valid mode for open."
bad-open-mode:20::"""Ua"" is not a valid mode for open."
bad-open-mode:21::"""Ur++"" is not a valid mode for open."