Is there a career prospect for using python only for reptiles?

If you only engage in reptiles, it means that your skills will only stay at the current level. If you stop learning new knowledge and making progress, there will be no future and you will be eliminated by the times one day.

but

Only engage in reptiles, as long as the research is deep enough, your reptiles are very powerful, high performance, good scalability and so on, then it is still very promising.

Crawlers can develop into big data analysis, data display, machine learning and other aspects without crawling data, and the future is limitless.