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You might want to apply any of the algorithms here: https://en.m.wikipedia.org/wiki/Category:Pi_algorithms Then convert the result to a string and look for the character with Nth index (or N-1 for most languages). For just finding the Nth digit without calculating the π itself, try the BBP formula: https://en.m.wikipedia.org/wiki/Bailey%E2%80%93Borwein%E2%80%93Plouffe_formula
Here's a comparison of python's internal value of pi to value of pi from the code coach involving 1000 digits of pi. Python's pi is good for 15 decimal places. https://code.sololearn.com/c9We9fWe9ob3
I guess the answer is 3.14 don't even bother to ask how i got it because i just guessed.