Added solution for Project Euler problem 38.#3115

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dhruvmanila merged 5 commits intoTheAlgorithms:masterfrom

fpringle:problem_38

Oct 24, 2020

Commits on Oct 9, 2020

Added solution for Project Euler problem 38. Fixes: #2695
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Commits on Oct 15, 2020

Commits on Oct 16, 2020

Moved exmplanation to module-level docstring and deleted unnecessary import
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