How to send Python variable to bash variable?

Question

I am trying to use Python to select a variable from a list, then speak it outloud using the bash command. Right now I have something like this

foo = [\"a\",\"b\"         


        

Answer 1

use string formatting:

In [9]: x="ls -ld"

In [10]: os.system("{0}".format(x))
drwxr-xr-x 41 monty monty 4096 2012-10-10 22:46 .
Out[10]: 0