add day1

day1/day1.py

@@ -0,0 +1,21 @@
+import sys
+sys.path.append('../aoclib')
+
+from aoclib import Input
+
+if __name__ == '__main__':
+    #lines = Input('input_test.txt').lines()
+    lines = Input('input.txt').lines()
+
+    left = sorted([int(n.split()[0].strip()) for n in lines])
+    right = sorted([int(n.split()[1].strip()) for n in lines])
+
+    # part 1
+    s = sum([abs(left[i] - right[i]) for i in range(len(left))])
+
+    print('part 1:', s)
+
+    # part 2
+    s2 = sum([n * right.count(n) for n in left])
+
+    print('part 2:', s2)