Hardcoded Values in fuzzer.py

[msoedov]

There are hardcoded values in fuzzer.py that should be moved to configuration files or environment variables for better maintainability.

[nemanjaASE]

Hi. Can you assign this to me?

[msoedov]

@nemanjaASE thank you a lot!

[Davda-James]

So I wanted to ask that in this we want to add the default fallback values in fuzzer.py to config or env var ?