code: def test_from_mv_to_mv(self):
      base = memoryview(bytearray(b"\x11\x22\x33" * 40))
      ct = from_mv(base)
      mv = to_mv(ct, len(base))
      mv[0] = 2
      assert base[0] == 2
  
imports: import unittest
  from PIL import Image
  from tinygrad.helpers import Context, ContextVar, merge_dicts, strip_parens, prod, round_up, fetch, fully_flatten, from_mv, to_mv
  from tinygrad.shape.symbolic import Variable, NumNode
label_desc: Use image node_id 1 for calling the TestMemoryview obj's underlying member method code with example usage: obj.test_from_mv_to_mv() without return types