Answer 1

import matplotlib.pyplot as plt
import numpy as np

a2 = np.arange(6, step = 0.1)

plt.title("Random Graph")
plt.plot(a2, 0.5*a2, label="slow")
plt.plot(a2, 1*a2, label="normal")
plt.plot(a2, 2*a2, label="fast")
plt.plot(a2, np.sin(a2), label="fast")
plt.axis([0,5,-1,19])
plt.xlabel("t [s]")
plt.xticks(a2)
plt.ylabel("d [m]")
plt.legend(loc="upper right")
plt.grid(True)
plt.savefig("graph02.png")
plt.show()

Answer 2

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