AoC 2015: day1

Signed-off-by: Ettore Dreucci <ettore.dreucci@gmail.com>

2015-python/solutions/day_1.py

@@ -0,0 +1,50 @@
+"""AOC 2015 Day 1"""
+
+import pathlib
+import time
+
+TEST_INPUT = """))((((("""
+
+def read_input(input_path: str) -> str:
+    """take input file path and return a str with the file's content"""
+    with open(input_path, 'r') as input_file:
+        input_data = input_file.read().strip()
+        return input_data
+
+def part1(input_data: str) -> int:
+    """part1 solver take a str and return an int"""
+    return sum(1 if char == '(' else -1 for char in input_data)
+
+def part2(input_data: str) -> int:
+    """part2 solver take a dict of dicts and return an int"""
+    floor = 0
+    for index, char in enumerate(input_data, 1):
+        if char == '(':
+            floor += 1
+        else:
+            floor -=1
+        if floor == -1:
+            return index
+    return -1
+
+def test_input_day_1():
+    """pytest testing function"""
+    assert part1(TEST_INPUT) == 3
+    assert part2(TEST_INPUT) == 1
+
+def test_bench_day_2(benchmark):
+    """pytest-benchmark function"""
+    benchmark(main)
+
+def main():
+    """main function"""
+    input_path = str(pathlib.Path(__file__).resolve().parent.parent) + "/inputs/" + str(pathlib.Path(__file__).stem)
+    start_time = time.time()
+    input_data = read_input(input_path)
+    print("Part 1: %d" % part1(input_data))
+    print("Part 2: %d" % part2(input_data))
+    end_time = time.time()
+    print("Execution time: %f" % (end_time-start_time))
+
+if __name__ == "__main__":
+    main()