2025 - Day 6 part 2

2025/6/6_2.py

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+#!/usr/bin/env python
+# 2025 - Advent Of Code 6 part 2
+
+# file = 'input_example.txt'
+file = 'input.txt'
+
+# pylint: disable=consider-using-with
+input_lines = [list(line.strip('\n')) for line in open(file, encoding="utf-8")]
+MAX_X = len(input_lines[0])
+MAX_Y = len(input_lines)
+
+# for y in range(0, MAX_Y):
+#     for x in range(0, MAX_X):
+#         print(input_lines[y][x], end='')
+#     print()
+
+grand_total = 0
+operands = []
+for c in range(len(input_lines[0]) - 1, -1, -1):
+    res_add = 0
+    res_mul = 1
+    num = []
+    for l in range(0, MAX_Y - 1):
+        if input_lines[l][c] != ' ':
+            num.append(input_lines[l][c])
+    if num:
+        # print(f'appending {"".join(num)} to operands')
+        operands.append(int("".join(num)))
+        if input_lines[l+1][c] == '+':
+            grand_total += sum(operands)
+            # print(f'adding {sum(operands)}')
+            operands = []
+        elif input_lines[l+1][c] == '*':
+            total = 1
+            for x in operands:
+                total *= x
+            grand_total += total
+            # print(f'adding {sum(operands)}')
+            operands = []
+
+print(f'{grand_total=}')