# y=sin(6 *pi * x) *exp(-5 * x)

import numpy as np
import matplotlib.pyplot as plt

x = np.linspace(0, 1, 500)
y = np.sin(6 * np.pi * x) * np.exp(-5 * x)
fig, ax = plt.subplots()

ax.fill(x, y, zorder=10)
ax.grid(True, zorder=5)


plt.show()