#Instructions to open a root file in python:

#istall uproot 
pip install --upgrade uproot

#In your script:
import uproot
import pandas

file = 'MIOPERCORSO/absorber-build/output/output.root'
branches = ["edep", "weight"]
df = uproot.open(file)['edep'].arrays(branches, library='pd')

df.head(10)