[Tutor] Subprocess how to use?

jarod_v6 at libero.it jarod_v6 at libero.it
Thu Nov 6 22:18:58 CET 2014

Dear All thanks  so much for the suggestion !!!

One thing is not clear to me: How can write more safe string to send on 
subprocess.Popen() without %s? What is the best way to do this?

thanks so much!

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