Check file type in Python. Use os module path.splitext() to get file extension. It splits file path into root and extension. Can check magic file header to identify file types. Search file name with regex to find types. Example check if .mp3 extension using re.search. Also get file info using os.path. Check if file exists using Python. Useful to filter files or process based on format. Learn more Python file handling at codeease.net tutorials. Stay updated on latest coding skills. Improve through step-by-step examples.