code: def do_pad(st):
      c = random.randint(0, len(st.shape) - 1)
      pad = tuple(
          (random.randint(0, 2), random.randint(0, 2))
          if i == c
          else (0, 0)
          for i in range(len(st.shape))
      )
      if DEBUG >= 1:
          print("st.pad(", pad, ")")
      st.pad(pad)
  
file_path: tinygrad/test/external/fuzz_shapetracker.py
imports: import random
  from tinygrad.helpers import DEBUG, getenv
  from test.unit.test_shapetracker import CheckingShapeTracker
label_desc: Use image node_id 2 for calling a global function with example usage: do_pad(st) without return types