>>> len(open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html').readlines())
8720


>>> min(timeit.repeat("for line in open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html'): pass", repeat=50, number=10))
0.007345893885940313
>>> min(timeit.repeat("for line in open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html'): pass", repeat=50, number=10))
0.0073186736553907394
>>> min(timeit.repeat("for line in open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html'): pass", repeat=50, number=10))
0.00736850593239069
>>> 
>>> 
>>> min(timeit.repeat("for line in open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html').readlines(): pass", repeat=50, number=10))
0.007698073051869869
>>> min(timeit.repeat("for line in open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html').readlines(): pass", repeat=50, number=10))
0.007701477967202663
>>> min(timeit.repeat("for line in open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html').readlines(): pass", repeat=50, number=10))
0.007682951167225838
>>> 
>>> 
>>> min(timeit.repeat("f = open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html')\nwhile line := f.readline(): pass", repeat=50, number=10))
0.010289655067026615
>>> min(timeit.repeat("f = open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html')\nwhile line := f.readline(): pass", repeat=50, number=10))
0.010289852973073721
>>> min(timeit.repeat("f = open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html')\nwhile line := f.readline(): pass", repeat=50, number=10))
0.010275987908244133
>>> 
>>> 
>>> min(timeit.repeat("f = open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html')\nwhile True:\n  line = f.readline()\n  if not line: break\n  pass", repeat=50, number=10))
0.010417956858873367
>>> min(timeit.repeat("f = open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html')\nwhile True:\n  line = f.readline()\n  if not line: break\n  pass", repeat=50, number=10))
0.010426380205899477
>>> min(timeit.repeat("f = open('/Users/me/MY-STUFF/Websites/Union/thumbspage/UserGuide.html')\nwhile True:\n  line = f.readline()\n  if not line: break\n  pass", repeat=50, number=10))
0.01041519595310092