Say you wrote a function that returns the factorial of a number (factorial of 5 is 120 because 5*4*3*2*1=120) so if you have a huge number clearly it's going to take python a while to figure it out. Is it possible to have it run some while loop or something that runs while python figures out the factorial of x?
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Yes that is possible. It is called multithreading. [Here](https://stackoverflow.com/questions/2846653/how-to-use-threading-in-python) is a good explanation with some examples how to do it in python. – Flomp Aug 29 '17 at 07:25
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@Flomp that's not a good idea: threads implementation in python are, lets say "not ideal". Read about GIL to see why. – Nir Alfasi Aug 29 '17 at 07:26
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This is a broad question, I'm going to close it. – cs95 Aug 29 '17 at 07:27
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@cᴏʟᴅsᴘᴇᴇᴅ I'd rather find something close enough to be a dup. That's not broad - the OP asks how to run code concurrently in python. A legit question. – Nir Alfasi Aug 29 '17 at 07:28
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1@alfasin Sorry... should've been clear - I was going to close this as a dupe :) – cs95 Aug 29 '17 at 07:30
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What you're looking for is to generate another process that will calculate factorial concurrently to the work that your current process is doing.
There's a module called subprocess that might interest you. Also see this.
Nir Alfasi
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