* even_or_not file added * Updated DIRECTORY.md * modified DIRECTORY.md * Update bit_manipulation/even_or_not.py * updating DIRECTORY.md * Rename even_or_not.py to is_even.py * updating DIRECTORY.md Co-authored-by: luciferx48 <laukik.22010776@gmail.com> Co-authored-by: Christian Clauss <cclauss@me.com> Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>