Add Day 2

day2/day2.py

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+# Day 2
+# https://adventofcode.com/2022/day/2
+
+with open('input.txt', 'r') as fobj:
+    strategy = [line.strip().split(' ') for line in fobj.readlines()]
+
+scoring = {
+    'A': 1,
+    'B': 2,
+    'C': 3,
+    'X': 1,
+    'Y': 2,
+    'Z': 3
+}
+
+# Part 1
+total_points = 0
+for play in strategy:
+    their, our = play
+
+    if their == chr(ord(our) - 23):
+        total_points += (scoring[our] + 3)
+    elif (their == 'A' and our == 'Y') or (their == 'B' and our == 'Z') or (their == 'C' and our == 'X'):
+        total_points += (scoring[our] + 6)
+    else:
+        total_points += (scoring[our]) 
+
+print('Part 1: {0}'.format(total_points))
+
+
+# Part 2
+total_points = 0
+for play in strategy:
+    their, our = play
+
+    # Lose
+    if our == 'X':
+        total_points += ([3, 1, 2][ord(their)-65])  
+    # Draw
+    elif our == 'Y':
+        total_points += (scoring[their] + 3)
+    # Win
+    else:
+        total_points += ([2, 3, 1][ord(their)-65] + 6) 
+
+print('Part 2: {0}'.format(total_points))