Multiplication_tables.py

%matplotlib widget
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.ticker as ticker
plt.rcParams['font.size']=20

#data
x = np.linspace(1,9,9)[:,np.newaxis]
y = np.linspace(1,9,9)[:,np.newaxis].T
kuku = x*y
kuku = kuku.flatten().astype(int)

#mouse event
def enter_axes(event):
    print('enter_axes', event.inaxes)
    event.inaxes.patch.set_facecolor('w')
    event.canvas.draw()

def leave_axes(event):
    print('leave_axes', event.inaxes)
    event.inaxes.patch.set_facecolor('k')
    event.canvas.draw()

#make table
fig,ax = plt.subplots(ncols=9,nrows=9,figsize=(8,8))
fig.suptitle('Multiplication table')
ax = ax.ravel()
[ax[i].set_facecolor('k') for i in range(len(ax))]
[ax[i].xaxis.set_major_locator(ticker.NullLocator()) for i in range(len(ax))]
[ax[i].yaxis.set_major_locator(ticker.NullLocator()) for i in range(len(ax))]
[ax[i].text(0.5, 0.5, str(kuku[i]), ha='center',va='center', transform=ax[i].transAxes) for i in range(len(ax))]
[ax[i].set_ylabel(str(kuku[i]),rotation=0,y=0.2,labelpad=10) for i in range(0,81,9)]
[ax[i].set_title(str(kuku[i])) for i in range(0,9,1)]

fig.canvas.mpl_connect('axes_enter_event', enter_axes)
fig.canvas.mpl_connect('axes_leave_event', leave_axes)

plt.show()

#version
print(np.__version__)
1.19.1
import matplotlib
print(matplotlib.__version__)
3.3.2