# -*- coding: utf-8 -*-

import numpy as np
from matplotlib import pyplot as plt

I, U, uI , uU= np.loadtxt("TP5_mesures_diode.dat", skiprows=1, unpack=True)

plt.scatter(U, I)
plt.errorbar(U, I, xerr = uU, yerr = uI,
  fmt = 'none', capsize = 10, ecolor = 'black', zorder = 1)
plt.xlabel('U(V)')
plt.ylabel('I(mA)')
plt.title("titre à modifier")

plt.show()