2022/day04: Complete!

2022/day01.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
 from typing import TextIO
-import pytest
 
 calories = []
 

2022/day04.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python3
+
+from typing import TextIO
+
+
+def part1(sections: TextIO) -> int:
+    overlaps: int = 0
+
+    for line in sections:
+        line = line.strip().split(",")
+
+        first_st = int(line[0].split("-")[0])
+        first_nd = int(line[0].split("-")[1])
+
+        sec_st = int(line[1].split("-")[0])
+        sec_nd = int(line[1].split("-")[1])
+
+        first = list(range(first_st, first_nd + 1))
+        second = list(range(sec_st, sec_nd + 1))
+
+        if first_st in second and first_nd in second:
+            overlaps += 1
+        elif sec_st in first and sec_nd in first:
+            overlaps += 1
+
+    return overlaps
+
+
+def part2(sections: TextIO) -> int:
+    all_overlaps: int = 0
+
+    for line in sections:
+        line = line.strip().split(",")
+
+        first_st = int(line[0].split("-")[0])
+        first_nd = int(line[0].split("-")[1])
+
+        sec_st = int(line[1].split("-")[0])
+        sec_nd = int(line[1].split("-")[1])
+
+        first = list(range(first_st, first_nd + 1))
+        second = list(range(sec_st, sec_nd + 1))
+
+        if any(i in first for i in second):
+            all_overlaps += 1
+
+    return all_overlaps
+
+
+if __name__ == "__main__":
+    print(part1(open("day04.txt")))
+    print(part2(open("day04.txt")))

2022/day04_test.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+
+from day04 import *
+
+
+def test_part1() -> None:
+    sections = open("day04.txt")
+    assert part1(sections) == 588
+    sections.close()
+
+
+def test_part2() -> None:
+    sections = open("day04.txt")
+    assert part2(sections) == 911
+    sections.close()