% python apptools.py
here we go => 111
111
welcome back => 222
got it => 222
testfunc output =>
Enter? Spam!
Spam!
Spam!
Spam!
Spam!
A shrubbery...Ni!Ni!Ni!Ni!Ni!

tee output =>
spam
Spam
SPAM!

tee2 output =>
['spam\012', 'Spam\012', 'SPAM!']
> spam
> Spam
> SPAM!
EchoApp output =>
?got this -> GUIDO
?got this -> IS
?got this -> GOD
?
DemoApp output =>

        MENU...
                bye
                hello
                play
==>Hello world!

        MENU...
                bye
                hello
                play
==>what? "spam"?
try again...

        MENU...
                bye
                hello
                play
==>NiNiNiNi

        MENU...
                bye
                hello
                play
==>
%