Hello, I have a function which takes a program name, and I'm using os.popen() to open that program via the syntax: os.popen('pidof var_name', 'r'), but as you know var_name is not expanded within single quotes, I tried using double quotes, and such, but no luck. I was looking for a way to have var_name expanded without getting a syntax error by ommiting the surrounding quotes. I need to use a variable, it's the argument to a function.
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