How to read only the last 30 lines from a file?

Question

Python

The question is concise, we need a similar answer :)
The task is to get statistics from 100500 log files, 1-30 Mb in size.
To speed up the process, I consider it advisable to read only the last 30 lines in the file, which contain all the information I need.
How to do it in Python?

Answer 1

import os
r = os.system("tail -n 30 /path/error.log")
print(r)