import matplotlib.pyplot as plt
xx = [0]
yy = [1]
def h(x, y, h):
for i in range(h):
y = 1.1 * y - 0.2 * x / y
x = x + 0.1
xx.append(x)
yy.append(y)
print(x, y)
h(0, 1, 150)
plt.plot(xx, yy)
plt.show()