import matplotlib.pyplot as plt import numpy as np x = np.arange(-10,11,1) y = x * x plt.plot(x,y) plt.text(0,40,'fanctio:y=x*x') plt.text(0,20,'fanctio:y=x*x') plt.show() # # Autogenerated by boilerplate.py. Do not edit as changes will be lost. # @docstring.copy_dedent(Axes.text) # def text(x, y, s, fontdict=None, withdash=False, **kwargs): # ret = gca().text(x, y, s, fontdict=fontdict, withdash=withdash, **kwargs) # return ret