Day4

#!/usr/local/bin/python2.7
import collections
import sys
import re
from os import path

listInput = "list.txt"

def extractLetters():
	global listInput

	sumOfAll = 0

	if(path.exists(listInput) and path.getsize(listInput) > 0) :
		with open(listInput, "r") as filestream:
			for line in filestream:

				final = ""
				sectorID = re.search("([0-9][0-9][0-9])", line).group(0)

				for c in collections.Counter(line[:-11].translate(None, "-").translate(None, " ").translate(None, "\n")).most_common(8):
					final += c[0]

				mostUsed = re.search("\[(.*)\]", line).group(0).translate(None, "[").translate(None, "]")

				foundChar = 0
				for i in mostUsed:
					for j in final:
						if i == j:
							foundChar += 1

				if foundChar >= 5:
					sumOfAll += int(sectorID)

				print "Final: " + "".join(sorted(final)) + " Most Used: " + "".join(sorted(mostUsed)) + " SectorID: " + sectorID

			print "Total sum: " + str(sumOfAll)


if __name__ == "__main__":
	extractLetters()