code: def read_bytes_view(self, num_bytes):
      res = self._memview[self._offset : self._offset + num_bytes]
      self._offset += num_bytes
      return res
  
imports: import struct
  from typing import Union
label_desc: Use image node_id 7 for calling the ByteReader obj's underlying member method code with example usage: obj.read_bytes_view(num_bytes) and returns: res