2024 - Day 2 part 1

2024/2/2.py

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+#!/usr/bin/env python
+# 2024 - Advent Of Code 2
+
+# file = 'input_example.txt'
+file = 'input.txt'
+
+# pylint: disable=consider-using-with
+input_lines = [line.strip('\n') for line in open(file, encoding="utf-8")]
+
+safe = 0
+for reports in input_lines:
+    levels = [ int(r) for r in reports.split(' ') ]
+    # print(f'{levels=}')
+
+    s_diff = 0 if levels[0] > levels[1] else 1
+    break_diff = False
+    for l in range(1, len(levels)):
+        diff = levels[l] - levels[l-1]
+        if abs(diff) > 3 or diff == 0:
+            break_diff = True
+            break
+        s_diff2 = 0 if levels[l] < levels[l-1] else 1
+        if s_diff ^ s_diff2 != 0:
+            # print("sign change")
+            break_diff = True
+            break
+    if not break_diff:
+        # print("safe")
+        safe += 1
+
+print(f'{safe=}')

2024/2/input_example.txt

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+7 6 4 2 1
+1 2 7 8 9
+9 7 6 2 1
+1 3 2 4 5
+8 6 4 4 1
+1 3 6 7 9