Solved 2025 Day 3 Parts 1 & 2

2025/day3/part2/main.py

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+
+input_file = "input.txt"
+
+banks: list[list[int]] = []
+
+with open(input_file, 'r') as file:
+    banks = [ [ int(n) for n in line.strip() ] for line in file.readlines() ]
+
+total_joltage = 0
+ALLOWED_BATTERY_COUNT = 12
+
+for i, bank in enumerate(banks):
+    nums: list[int] = []
+    last_n_index = 0
+
+    for battery in reversed(range(ALLOWED_BATTERY_COUNT)):
+        if battery:
+
+            n = max(bank[last_n_index:-battery])
+
+            nums.append(n)
+
+            last_n_index = bank.index(n, last_n_index) + 1
+
+        else:
+            n = max(bank[last_n_index:])
+
+            nums.append(n)
+
+            last_n_index = bank.index(n, last_n_index) + 1
+
+    # Convert Nums to an Int
+    joltage = int(''.join([ str(n) for n in nums]))
+    print(f'Joltage for Bank {i + 1}: {joltage}')
+
+    total_joltage += joltage
+
+print(f'Total Joltage: {total_joltage}')
+