Marc Tompkins wrote:

It works for me under Windows XP, so I suspect that the hints you've received about * being expanded by your shell are correct. However, I had an idea - rather than requiring your user to put quotes around the "*", why not do this:

   elif sys.argv[2] in ["*","x","X"]:
       total = mul(int(sys.argv[1]), int(sys.argv[3]))
       print total
Thank you :)

This could be a problem if you wanted to develop your calculator into a full-fledged scientific calculator, but otherwise...
I may need just a little more practice, not because of a lack of effort, but there seems to be a small problem with retention :(



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