code: def pad(self, arg: Tuple[Tuple[sint, sint], ...]):
      return self._view(self.st.pad(arg))
  
imports: from __future__ import annotations
  import sys, math
  from collections import defaultdict
  from typing import Union, Optional, Any, Tuple, List, Set, Dict, DefaultDict, cast
  from tinygrad.dtype import dtypes, DType, ImageDType
  from tinygrad.helpers import prod, flatten, getenv, dedup, DEBUG, all_int, all_same, GRAPH
  from tinygrad.ops import LoadOps, UnaryOps, BinaryOps, TernaryOps, ReduceOps, BufferOps, Op, LazyOp, ConstBuffer, MemBuffer, ScheduleItem
  from tinygrad.shape.symbolic import sint, Variable
  from tinygrad.shape.shapetracker import ShapeTracker
  from tinygrad.device import Buffer
  from tinygrad.graph import log_lazybuffer
  from weakref import ref, ReferenceType
label_desc: Use image node_id 18 for calling the LazyBuffer obj's underlying member method code with example usage: obj.pad(arg) and returns: self