How to set font style to italic

import matplotlib as mpl
import matplotlib.pyplot as plt

mpl.rc('font', style='italic')
plt.plot([2,1,3])

plt.show()

import matplotlib.pyplot as plt - loads lib:Matplotlib module to use plotting capabilities
mpl.rc - manage configuration
font - change font settings
style - set font style (italic in our case)
.plot( - plot specified data
.show() - render chart in a separate window

group: font_italic

Example:

import matplotlib as mpl
import matplotlib.pyplot as plt

mpl.rc('font', style='italic')
plt.plot([2,1,3])

plt.show()