importmatplotlib.pyplotaspltimportnumpyasnp# First create some toy data:x=np.linspace(0,2*np.pi,400)y=np.sin(x**2)z=np.cos(x**2)# Create four polar Axes and access them through the returned arrayfig,axsA=plt.subplots()axsA.plot(x,y)axsB=axsA.twinx()axsB.plot(x,z)# <-- Cannot access attribute "plot" for class "_AxesBase"