Can't read CSV even in Python 3.15? Practice specifying character encoding

"I updated Python, but I can't read Japanese CSV files." When you open a file you've received and see a string of English ...
linuxiac

Python 3.15 Released with Faster JIT, Lazy Imports, and UTF-8 by Default

Python 3.15 introduces lazy imports, UTF-8 as the default encoding, faster experimental JIT performance, and new profiling ...