2023 day 1

adventofcode/_2023/day1/challenge.py

@@ -0,0 +1,41 @@
+from adventofcode.utils import open_input
+
+
+def main():
+    data = open_input('adventofcode/_2023/day1/input.txt')
+    answer_1 = get_answer_1(data)
+    # answer_2 = get_answer_2(data)
+
+    print(answer_1)
+    # print(answer_2)
+
+    return answer_1
+
+
+def get_answer_1(data):
+    """
+    - get the first and last digit of each line, make a two digit number per line, sum all outcomes together
+    """
+    sums = []
+    for _, line in enumerate(data):
+        for char in line:
+            if char.isdigit():
+                first = char
+                break
+        for char in line[::-1]:  # Flip the line backwards as a naive way of getting the last digit in the line
+            if char.isdigit():
+                last = char
+                break
+
+        newline = str(first) + str(last)
+
+        sums.append(int(newline))
+
+    return sum(sums)
+
+
+
+
+
+if __name__ == '__main__':
+    main()