import saxonc

with saxonc.PySaxonProcessor() as proc:
    print(proc.version)

    xslt30_processor = proc.new_xslt30_processor()

    xslt30_processor.apply_templates_returning_file(source_file = "input-sample1.xml", stylesheet_file = "identity.xsl", output_file = "output_file_test1.xml")