import numpy as np
import matplotlib.pyplot as plt


plt.style.use("seaborn-whitegrid")

x = np.linspace(0, 10, 100)

figure = plt.figure()
ax = plt.axes()
sub1 = plt.subplot(2, 2, 1)
sub1.plot(x, np.sin(x), "-", label="sin(x)")
sub1.legend()

sub2 = plt.subplot(2, 2, 2)
sub2 = plt.plot(x, np.cos(x), "o", label="cos(x)")
sub2 = plt.legend()

plt.subplot(2, 2, 3)
plt.plot(x, np.tan(x), "-", label="tan(x)")
plt.legend()


plt.show(block=True)