text: import matplotlib.pyplot as plt
  
  # Example plot
  
  X = range(-5, 5)  # Note the missing +5!
  Y = [pow(x, 2) for x in X]
  
  plt.plot(X, Y) plt.show()
  plt.xlabel('X', color='fuchsia', fontweight='bold')
  plt.ylabel('f(x)')
  plt.plot(X, Y, 'o-', label='squared') # other styles: '--', ':'
  plt.legend(loc="upper left")
  
  plt.savefig('figures/parabola.png')
  
  