solve day 2 part 1

day_02/program.py

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+#!/usr/bin/env python3
+
+# https://adventofcode.com/2024/day/2
+
+def get_lines(filename: str) -> list:
+    with open(filename, "r") as file:
+        return [line.strip() for line in file.readlines()]
+
+
+def part_one(lines: list) -> int:
+    safe_reports = 0
+    for line in lines:
+        reports = [int(x) for x in line.split(" ")]
+        # print(reports)
+        increasing = True
+        decreasing = True
+        safe = True
+        for i in range(len(reports) - 1):
+            if reports[i] >= reports[i + 1]:
+                increasing = False
+            if reports[i] <= reports[i + 1]:
+                decreasing = False
+            distance = abs(reports[i] - reports[i + 1])
+            if distance < 1 or distance > 3:
+                safe = False
+            pass
+        if safe and (increasing or decreasing):
+            safe_reports += 1
+    return safe_reports
+
+
+def main():
+    # lines = get_lines("sample-input.txt")
+    lines = get_lines("input.txt")
+
+    safe_reports = part_one(lines)
+    print(f"Part 1: There are {safe_reports} safe reports.")
+
+
+if __name__ == '__main__':
+    main()

day_02/sample-input.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

day_02/test_program.py

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+#!/usr/bin/env python3
+
+import program
+import unittest
+
+
+class TestThing(unittest.TestCase):
+    def setUp(self):
+        pass
+
+
+if __name__ == '__main__':
+    unittest.main()