changing ^= to |= reduces CPython's runtime from 0.13 s to 0.1 seconds and Pypy's runtime from ~9 seconds (git add Problem055.py git add Problem055.py ) to .22 seconds
changing ^= to |= reduces CPython's runtime from 0.13 s to 0.1 seconds and Pypy's runtime from ~9 seconds (git add Problem055.py git add Problem055.py ) to .22 seconds

mchrzanowski/ProjectEuler,mchrzanowski/ProjectEuler