import matplotlib.pyplot as plt
import numpy as np
X = np.linspace(0, 2 * np.pi, 50, endpoint=True)
F1 = np.sin(X)
F2 = 5 * np.sin(X)
F3 = 0.3 * np.sin(X)
plt.plot(X,F1)
plt.plot(X,F2)
plt.plot(X,F3)
plt.show()