feat: 2023 day 4 part 1

adventofcode/_2023/day4/challenge.py

@@ -0,0 +1,43 @@
+from adventofcode.utils import open_input
+
+
+def main():
+    data = open_input('adventofcode/_2023/day4/input.txt')
+    answer_1 = get_answer(data)
+    # answer_2 = get_answer(data)
+
+    print(answer_1)
+    # print(answer_2)
+
+    return answer_1
+
+
+def get_answer(data):
+    """
+    - you have a list of cards, one set is the winning numbers, one set is your numbers
+    - check if you have the winning numbers. You get a point for the first match, then doubled for every match
+    """
+    answer = 0
+    for index, line in enumerate(data):
+        sanatized_line = line.split(':')[1].split('|')
+        winnings = sanatized_line[0].split()
+        my_nums = sanatized_line[1].split()
+
+        points = 0
+        for num in my_nums:
+            if num in winnings:
+                points += 1
+
+        if points == 1:
+            answer += 1
+        elif points >= 2:
+            temp = 1
+            for i in range(points - 1):  # -1 hack to account for the 1st iteration not being included here
+                temp = temp * 2  # Double the answer for x num of points
+            answer += temp
+
+    return answer
+
+
+if __name__ == '__main__':
+    main()