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5 powerful pandas techniques every Python user should know

On a lot of DataFrame objects, the index will typically be an ascending list of numbers. If I have something with dates, I ...
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How I Built My Own Wolfram Mathematica-like Engine With Python

I've always liked the idea of math, but doing it by hand has been another matter. My mental CPU seems to go to 100% during hand calculation. Hand calculators are good but Python libraries are even ...