1. Edit the vuln value from 0 to your target number (in this case we change to 13 lucky number)
![](https://i.ibb.co/4m2qFpx/Screenshot-1.jpg)
2. Enter 13 to get the flag
![](https://i.ibb.co/kqQZqQr/Screenshot-2.jpg)
```b00t2root{python2_vuln}```