Update readme and lib and start 2015.

2015/d2.py

@@ -0,0 +1,19 @@
+from lib import *
+
+data = open(0).readlines()
+
+part_1 = True
+if part_1:
+    a = 0
+    for line in data:
+        l, w, h = list(map(int, line.split("x")))
+        slack = min([l * w, w * h, h * l])
+        a +=  (2*l*w + 2*w*h + 2*h*l + slack)
+else: 
+    a = 0
+    for line in data:
+        l, w, h = list(map(int, line.split("x")))
+        sd = min([2 * (l + w), 2 * (w + h), 2 * (h + l)])
+        a +=  sd + (l * w * h)
+
+print(a)