matplotlib default font size code example
Example 1: matplotlib set size
plt.figure(figsize=(20,8))
Example 2: matplotlib change text size
import matplotlib.pyplot as plt
plt.rcParams.update({'font.size': 22})
Example 3: change matplotlib fontsize
font = {'family' : 'normal',
'weight' : 'bold',
'size' : 22}
matplotlib.rc('font', **font)