matplotlib.pyplot.fill()
Command:
$ cat Downloads/fill_demo.py
Result:
"""
Simple demo of the fill function.
"""
import numpy as np
import matplotlib.pyplot as plt
plt.style.use('dark_background')
x = np.linspace(0, 1)
y = np.sin(4 * np.pi * x) * np.exp(-5 * x)
plt.fill(x, y, 'r')
plt.grid(True)
plt.savefig("pyplot_fill.png")
Command:
$ python Downloads/fill_demo.py
$ open pyplot_fill.png
Graphical output: