Updated problem_04 in project_euler (#2427)

* Updated problem_04 in project_euler

* fixup! Format Python code with psf/black push

* That number is larger than our acceptable range.

* updating DIRECTORY.md

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: Christian Clauss <cclauss@me.com>

Du Yuanchao committed 5y ago

cbbc43ba3ae24ad589d94beb65116c07917339ac

Parent: 10aa214

Committed by GitHub <noreply@github.com> on 9/14/2020, 8:33:08 PM