Matplotlib multi subgraph drawing

Figure And Axes The relationship between

Before everything starts , We must understand two concepts ： One is Figure, The other is Axes.

Figure It's a picture , A complete picture , and Axes The coordinate axis , Here we might as well understand it as a subgraph , In this way, the relationship between the two is relatively clear ： One Figure Yes, it can contain one or more Axes Of .

Drawing examples

import matplotlib.pyplot as plt #  Import library 
from matplotlib import rcParams
rcParams.update({ 
    'figure.autolayout': True}) #  Set to automatic layout , Avoid cutting labels 

Re pass pyplt Modular figure Function to create a Figure object

matplotlib.pyplot.figure