Brute forces screenshots uploaded to https://prnt.sc/.
It uses proxies to prevent IP rate limits, it is nothing you have to manually import or worry about.
If you don't have the requests library installed, run this following command in CMD, terminal or PowerShell:
pip install requests
This is for educational purposes only, for you to learn how brute forcers work. It tests all the possible combinations and simply speeds up the process from you manually testing each combination. Please do not use this, it is once again meant for you to learn how they work. However, if you choose to use it you are doing it at your own risk.