day 4 part 1 done

day-04.py

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+
+part_one = part_two = 0
+
+file = open('day-04.txt', 'r')
+for line in file:
+  winning_numbers = set(())
+  row = []
+  line = line.strip()
+  card = line.split(':')
+  id = card[0].split(' ')[1]
+  (winners, yours) = card[1].split('|')
+
+  for w in winners.strip().split():
+    winning_numbers.add(w)
+
+  value = 0
+  for y in yours.strip().split():
+    if y in winning_numbers:
+      y = int(y)
+      if value == 0:
+        value = 1
+      else:
+        value *= 2
+
+  part_one += value
+file.close()
+
+print( "part_one:", part_one )
+print( "part_two:", part_two )