initial commit, day 10

03a.py

@@ -0,0 +1,15 @@
+#!/usr/bin/python
+
+import re
+
+with open('03a.txt') as f:
+    text = f.read()
+
+reg = re.compile(r'mul\((?P<num1>[0-9]+),(?P<num2>[0-9]+)\)')
+
+total = 0
+
+for match in reg.finditer(text):
+    total += int(match.group('num1')) * int(match.group('num2'))
+
+print(total)