day 4 part 1 complete. strip() FTW.

day04.py

@@ -0,0 +1,38 @@
+
+
+class LottoCard:
+    def __init__(self, card_number, list_of_winning_numbers, list_of_played_numbers):
+        self.card_number = card_number
+        self.winning_numbers = list_of_winning_numbers
+        self.played_number = list_of_played_numbers
+
+    def points(self):
+        card_points = 0
+        for win in self.winning_numbers:
+            if win in self.played_number:
+                if card_points == 0:
+                    card_points = 1
+                else:
+                    card_points = card_points * 2
+        return card_points
+
+
+def part01(input_lines):
+    # working!
+    cards = []
+    total_points = 0
+    for game_card in input_lines:
+        (card, play_line) = game_card.split(":")
+        card_number = card.split(' ')[-1]
+        (winning_nums, played_nums) = play_line.split('|')
+        winning_list = [wn for wn in winning_nums.strip().split(" ") if wn.isnumeric()]
+        played_list = [pn for pn in played_nums.strip().split(" ") if pn.isnumeric()]
+        new_game_card = LottoCard(card_number, winning_list, played_list)
+        print(new_game_card.points())
+        total_points += new_game_card.points()
+        cards.append(new_game_card)
+    print(total_points)
+
+
+def part02(input_lines):
+    pass

main.py

@@ -1,9 +1,19 @@
 import day01
 import day02
 import day03
+import day04
 
 if __name__ == '__main__':
-    today = '03'
+    today = '04'
+
+    if today == '04':
+        input_file = f'problem_inputs/day{today}_input.txt'
+        # input_file = f'problem_inputs/test_input.txt'
+        with open(input_file) as day_fp:
+            day_input = day_fp.readlines()
+            day_input = [f'{i}'.strip() for i in day_input]
+            day04.part01(day_input)
+            day04.part02(day_input)
 
     if today == '03':
         input_file = f'problem_inputs/day{today}_input.txt'