* call `help()` to get interactive shell* search for some python command (i used `exec`)* `help()` opens the manual page for `exec` with `more`* now that you are in `more`, you can just run bash command with ! in front of the command(like `!ls`)
therefore, to get the flag: * `help()`* `exec`* `!ls` (we can see a file called `flag.txt` and the python script itselfs)* `!cat flag.txt`    `DawgCTF{bUt_iT'5_c@ll3d_1nput}`