This may sound pretty noobish cause I never worked with it before, mostly cause I'm a hobbyist game programmer and never work with this stuff, but I'm making a program for a friend that involves saving how much you made from eBay and Craigslist on certain dates, and saving it to a file. But then I wanna be able to show data on how much you made every month, or even annually by calculating all the days of the data you entered. I have no idea on how to go about doing this. Could anyone push me in the right direction. Thanks in advance :bigyello:
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