code: def md5_of_file(path, nblocks=128):
      
      md = md5()
      with open(path, 'rb') as f:
          for chunk in iter(lambda: f.read(nblocks*md.block_size), b''):
              md.update(chunk)
      return md
docs: Computes the md5 hash of a file.
  
      Parameters
      ==========
      path: string
          path to file to compute hash of
  
      Returns
      =======
      hashlib md5 hash object. Use .digest() or .hexdigest()
      on returned object to get binary or hex encoded string.