8ecf5293 minor polishing of JIT and GPU

examples/dask-mpi/monte-carlo-pi/README.md

examples/dask-mpi/monte-carlo-pi/dask-mc-pi.py

examples/mpi/monte_carlo_pi.py

examples/profiling/diffusion_naive.py

examples/profiling/diffusion_numba.py

notebooks/01--Introduction.ipynb

notebooks/03--Python_Refresher.ipynb

notebooks/06--Cython.ipynb

notebooks/07--Numba_Jax_JIT.ipynb

notebooks/08--Diffusion.ipynb

notebooks/12--Parallel_Programming_Shared_Memory.ipynb

notebooks/13--GPU_Programming_CuPy_JAX.ipynb