Method tell

crates/vm/src/stdlib/_io.rs:1670–1680

(&self, vm: &VirtualMachine)

        #[pymethod]
        fn tell(&self, vm: &VirtualMachine) -> PyResult<Offset> {
            let mut data = self.lock(vm)?;
            let raw_tell = data.raw_tell(vm)?;
            let raw_offset = data.raw_offset();
            let mut pos = raw_tell - raw_offset;
            // GH-95782
            if pos < 0 {
                pos = 0;
            }
            Ok(pos)
        }

        #[pymethod]
        fn truncate(