+------------------------------+------------------------------------------+
| :const:`dont_write_bytecode` | -B |
+------------------------------+------------------------------------------+
+ | :const:`no_user_site` | -s |
+ +------------------------------+------------------------------------------+
| :const:`no_site` | -S |
+------------------------------+------------------------------------------+
| :const:`ignore_environment` | -E |
+------------------------------+------------------------------------------+
| :const:`unicode` | -U |
+------------------------------+------------------------------------------+
+ | :const:`bytes_warning` | -b |
+ +------------------------------+------------------------------------------+
.. versionadded:: 2.6