That is just printing out the string literals you are passing to echo - i am looking to resolve the python varaible myCoolVariable before the execution of echo in the sysem() call.
For example, I would like:
to somehow produce
in this case i could just write "potato" directly, but things get stickier when i want to say
hamburger=os.system('echo $MY_SHELL_VAR | sed "s/longsed/replacement/g"')
, or something of that flavour