Refactor code for API (#3)

Co-authored-by: Mikael CAPELLE <mikael.capelle@thalesaleniaspace.com>
Co-authored-by: Mikaël Capelle <capelle.mikael@gmail.com>
Reviewed-on: #3

src/holt59/aoc/2021/day1.py

@@ -1,14 +1,17 @@
-import sys
+from typing import Any, Iterator
 
-lines = sys.stdin.read().splitlines()
+from ..base import BaseSolver
 
-values = [int(line) for line in lines]
 
-# part 1
-answer_1 = sum(v2 > v1 for v1, v2 in zip(values[:-1], values[1:]))
-print(f"answer 1 is {answer_1}")
+class Solver(BaseSolver):
+    def solve(self, input: str) -> Iterator[Any]:
+        lines = input.splitlines()
 
-# part 2
-runnings = [sum(values[i : i + 3]) for i in range(len(values) - 2)]
-answer_2 = sum(v2 > v1 for v1, v2 in zip(runnings[:-1], runnings[1:]))
-print(f"answer 2 is {answer_2}")
+        values = [int(line) for line in lines]
+
+        # part 1
+        yield sum(v2 > v1 for v1, v2 in zip(values[:-1], values[1:]))
+
+        # part 2
+        runnings = [sum(values[i : i + 3]) for i in range(len(values) - 2)]
+        yield sum(v2 > v1 for v1, v2 in zip(runnings[:-1], runnings[1:]))