In ML you really want to use Numpy ndarrays, Pandas dataframes or Tensors. A list is much too slow because: - Not contiguous - No SIMD vectorization - No para

In ML you really want to use Numpy ndarrays, Pandas dataframes or Tensors. A list is much too slow because: - Not contiguous - No SIMD vectorization - No parallel processing Lists are mostly used for list of containers (for example storing the arrays inputs of a function)