day 4

python/Day 4/main.py

@@ -0,0 +1,35 @@
+from io import open
+
+# We open the txt document containing the games
+input=open('input.txt','r')
+# We read the text inside distinguishing by lines
+lines = input.readlines()
+# Close the txt file to be able to work on the text without having the file open.
+input.close()
+del(input)
+
+games_id=[] # number of the game
+wining_numbers=[] # Collect of winning numbers
+game_numbers=[] # Game numbers of the scratchcards
+for line in lines:
+    game=line.replace("Card ","").split(":")
+    games_id.append(int(game[0].strip()))
+    numbers=game[1]
+    game=numbers.split("|")
+    wining_numbers.append(list(map(int,game[0].strip().split())))
+    game_numbers.append(list(map(int,game[1].strip().split())))
+
+# We check that the winning numbers are on the scratchcard numbers and accumulate the points.
+points=[]
+for game in games_id:
+    points.append(0)
+    for number in wining_numbers[game-1]:
+        if number in game_numbers[game-1] and points[game-1]>=1:
+            points[game-1]=points[game-1]*2
+        elif number in game_numbers[game-1]:
+            points[game-1]+=1
+
+print(sum(points))
+
+
+