day 1: Day 1 solution. Also setup gitignore and readme.

.gitignore

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+input_*
+.idea/
+__pycache__/

README.md

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+## My solutions to AoC 2025 - 12 puzzles, 2 variations per day in December 2025. 
+
+*sigh* GLHF I guess? 🎄🎁🎅

day_1.py

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+"""
+Work out password
+"""
+
+def turn_dial(start_number: int, movement: str) -> tuple[int, int]:
+    """
+    If L increase numbers, if R decrease numbers
+    """
+    direction = movement[0]
+    turn = int(movement[1:])
+    remainder = turn % 100
+    times_turned = int(turn / 100)
+    if direction == 'R':
+        new_number = start_number + remainder
+        if new_number > 99:
+            new_number = new_number - 100
+            times_turned += 1
+    else:
+        new_number = start_number - remainder
+        if new_number < 0:
+            new_number = 100 - abs(new_number)
+            if start_number != 0:
+                times_turned += 1
+        elif new_number == 0 and start_number != 0:
+            times_turned += 1
+
+    return new_number, times_turned
+
+def get_password_1(file_path):
+    password = 0
+    with open(file_path) as in_file:
+        previous_number = 50
+        for line in in_file:
+            previous_number, _ = turn_dial(previous_number, line)
+            if previous_number == 0:
+                password += 1
+    return password
+
+
+def get_password_2(file_path):
+    password = 0
+    with open(file_path) as in_file:
+        previous_number = 50
+        for line in in_file:
+            previous_number, turns = turn_dial(previous_number, line)
+            password += turns
+    return password
+
+
+def test_get_password_1():
+    print(get_password_1('input_test.txt'))
+    print(get_password_1('input_day1.txt'))
+
+
+def test_get_password_2():
+    assert get_password_2('input_test.txt') == 6
+    print(get_password_2('input_day1.txt'))
+
+
+def test_turn_dial():
+    assert turn_dial(50, 'L68') == (82, 1)
+    assert turn_dial(82, 'L30') == (52, 0)
+    assert turn_dial(52, 'R48') == (0, 1)
+    assert turn_dial(0, 'R100') == (0, 1)
+    assert turn_dial(0, 'R1000') == (0, 10)
+    assert turn_dial(0, 'L100') == (0, 1)
+    assert turn_dial(50, 'R150') == (0, 2)
+    assert turn_dial(0, 'R50') == (50, 0)
+    assert turn_dial(5, 'L10') == (95, 1)
+    assert turn_dial(5, 'L5') == (0, 1)
+    assert turn_dial(0, 'L5') == (95, 0)
+
+
+