show instant data on webpage

[mustang]

> Php, vbscript, perl, and perhaps other languages allow the interspersal of
> code and html in the same file.  You can't do that with python.  So, if you
> begin to wade into making websites with python you may be a little lost
> until you grasp the concept of separating code from templates (the html
> portion) and how you populate your templates with your code values.  Django
> is a popular choice, but some like smaller frameworks like flask, and
> others.

anyway I'm not interested in building website I've only to plot/show 
data collecting them from a sensor and plot them in a realtime graph 
(for example temperature).