#energy/intergration time dict energies = [(450,{"pass":20, "time":1.}), (2000,{"pass":20, "time":1.}), ] AU_CENTER = 4.5 AS_CENTER = 42.5 for e,e_dict in energies: pass_energy = e_dict["pass"] time = e_dict["time"] photon_energy = float(e) print(photon_energy) print(time) print(pass_energy)