eh, hash it with a set and find the length

if you find you need to care about the size of your int (just kidding: it always matters..), it's normally best to explicitly use a type with a size like uint32_t

"you knew it was wrong, but you did it anyways"

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check out pdb - The Python Debugger to debug small programs python3 -m pdb myscript.py .. use b to set a breakpoint (so you can inspect your program there), c to run up to that point (continue), and ? to explore commands .. this will allow you to inspect the live state of your program wherever you breakpoint or continue to

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hundreds of times faster than python loop iteration