It could be a file from a specific YouTube creator, a Masterclass, or a private archival project. Context of the Format The string S01E01 is the industry standard for: S01: Season One E01: Episode One mp4: A common digital video container format.
"Py" is often used as an abbreviation for Python . This could be a tutorial video from a 2022 coding series (Season 1, Episode 1). Py_ (2022) S01E01mp4
It may be a shortened version of a show like Pachinko , Pantheon , or P-Valley , though none perfectly match "Py_". It could be a file from a specific