from matplotlib import pyplot as plt


X = [1, 2, 3, 4, 5, 6, 7]
Y = [1, 3, 4, 2, 5, 8, 6]

fig = plt.figure()
left, bottom, width, height = 0.1, 0.1, 0.8, 0.8
ax1 = fig.add_axes([left, bottom, width, height])
ax1.plot(X, Y, "red")
ax1.set_xlabel("X")
ax1.set_ylabel("Y")
ax1.set_title("title")
# 方法一
left, bottom, width, height = 0.2, 0.6, 0.25, 0.25
ax2 = fig.add_axes([left, bottom, width, height])
ax2.plot(X, Y, "blue")
ax2.set_xlabel("X")
ax2.set_ylabel("Y")
ax2.set_title("No 1")
# 方法二
left, bottom, width, height = 0.6, 0.2, 0.25, 0.25
plt.axes([left, bottom, width, height])
plt.plot(X, Y, "green")
plt.xlabel("X")
plt.ylabel("Y")
plt.title("No 2")
plt.show()