update a working ersion, check root

ref/emcal_data.root

...ant4_simulation/.ipynb_checkpoints/__init__-checkpoint.py

ref/geant4_simulation/__init__.py

ref/geant4_simulation/__pycache__/__init__.cpython-39.pyc

...imulation/geometry/.ipynb_checkpoints/EMCal-checkpoint.py

...lation/geometry/.ipynb_checkpoints/__init__-checkpoint.py

ref/geant4_simulation/geometry/EMCal.py

...ant4_simulation/geometry/__pycache__/EMCal.cpython-39.pyc

ref/test.ipynb