import matplotlib.pyplot as plt
from numpy import linspace

N = 70
x = linspace(-3, 3, N)
y = 1 + 1/x

for i in range(N):
	plt.plot([x[i], y[i]], [0, 1])
plt.xlim(-5, 5)
plt.show()




for i in range(N):
	plt.plot([x[i], y[i]], [0, 1], c="#243f6a")
plt.xlim(-5, 5)
plt.show()



N = 200
x = linspace(-10, 10, N)
y = 1 + 1/x
z = 2*y-x

for i in range(N):
	plt.plot([x[i], z[i]], [0, 2], c="#243f6a")
plt.xlim(-10, 10)
plt.show()