python how use pyplot code example

Example 1: pyplot python

import numpy as np
import matplotlib.pyplot as plt

x = np.array([1, 3, 4, 6])
y = np.array([2, 3, 5, 1])
plt.plot(x, y)

plt.show()

Example 2: matplotlib.pyplot

import numpy as np
import matplotlib.pyplot as plt

x = np.arange(0, 5, 0.1);
y = np.sin(x)
plt.plot(x, y)