ast — Abstract syntax trees, Python 3.14 documentation

Online text: docs.python.org/3.14/library/ast.html

Cited passages: Node classes: lineno, col_offset, end_lineno and end_col_offset; get_source_segment and copy_location; NodeTransformer, generic_visit, copy_location and fix_missing_locations; ast.parse: parsing performs no scoping checks; the return 42 example.