for example if i only use it to browse the internet and maybe download games from play store but i dont install extensions and use https only, can i still be hacked and my operating system destroyed?? what can i do to avoid that?? i only use my chromebook for python
You’ll be fine. Just dont visit shady websites and do fall victim to phishing. The other comments in the thread are good advice too.
Also give this a read since you’re using Python. It could happen to you: https://arstechnica.com/information-technology/2022/08/10-malicious-python-packages-exposed-in-latest-repository-attack/