You might not find quite as many experienced Python developers as .Net or Java folks, in part because Python is younger than Java and hasn't had the corporate push of .Net. Still, Python's doing well enough in developer adoption to make it a solid choice. Another advantage in Python's court? It's vendor neutral.
RIP Java plug-in.
Now that Chrome, Firefox, Edge and Safari don't support plug-ins anymore, Oracle thought it best to accept the Java plug-in's fate and let it go.