import numpy as np
km = pn.loadtxt('carros-km.txt')
km
year = np.loadtxt('carros_anos.txt')
year
ave_km = km/(2019-year)
ave_km
import numpy as np
km = pn.loadtxt('carros-km.txt')
km
year = np.loadtxt('carros_anos.txt')
year
ave_km = km/(2019-year)
ave_km