Add explanation for imshow usage

jgtiu · jgtiu · commit 4aa4074aa3c7 · 2019-10-21T22:23:18.000+08:00
diff --git a/solutions/2.2-vmin_vmax_imshow_and_colorbars.py b/solutions/2.2-vmin_vmax_imshow_and_colorbars.py
@@ -15,6 +15,7 @@
 
 # Now you're on your own!
 for ax, data in zip(axes, [data1, data2, data3]):
+	# Display data, explicitly making the colormap cover values from 0 to 3
     im = ax.imshow(data, vmin=0, vmax=3, interpolation='nearest')
 
 fig.colorbar(im, cax=cax, orientation='horizontal')
