day 4: apparently I don't know scratchcards

4/script.py

@@ -0,0 +1,34 @@
+def parseline(line):
+    meaningful_input = line.split(":")[1]
+    input_split = meaningful_input.split("|")
+    winning_numbers = input_split[0].strip().split(" ")
+    your_numbers = input_split[1].strip().split(" ")
+    return winning_numbers, your_numbers
+
+
+def get_point_value_for_line(winning_numbers, your_numbers):
+    count = 0
+    hashmap = {}
+    for number in winning_numbers:
+        for index, y in enumerate(your_numbers):
+            if y == number and not hashmap.get(index):
+                count += 1
+                hashmap[index] = True
+    if count == 0:
+        return 0
+    return 2**(count - 1)
+
+
+def get_lines(filename):
+    values = []
+    with open(filename, "r") as inputfile:
+        for line in inputfile:
+            winning_numbers, your_numbers = parseline(line)
+            value = get_point_value_for_line(winning_numbers, your_numbers)
+            values.append(value)
+    return sum(values)
+
+
+if __name__ == '__main__':
+    print(get_lines("input"))
+