Method center

crates/vm/src/builtins/str.rs:1316–1323

(
        &self,
        width: isize,
        fillchar: OptionalArg<PyStrRef>,
        vm: &VirtualMachine,
    )

    #[pymethod]
    fn center(
        &self,
        width: isize,
        fillchar: OptionalArg<PyStrRef>,
        vm: &VirtualMachine,
    ) -> PyResult<Wtf8Buf> {
        self._pad(width, fillchar, AnyStr::py_center, vm)
    }

    #[pymethod]
    fn ljust(