Add day 4 solution

04/cleanup.py

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+
+import fileinput
+from typing import Iterable
+
+class Range:
+
+    rmin: int
+    rmax: int
+    length: int
+
+    def __init__(self, rang: str):
+        self.rmin,self.rmax = map(lambda x: int(x), rang.strip().split('-'))
+        self.length = self.rmax - self.rmin + 1
+
+
+def solve(lines: Iterable[str]) -> int:
+    score = 0
+    for line in lines:
+        elf1, elf2 = map(lambda x: Range(x), line.strip().split(','))
+        if elf2.length > elf1.length:
+            elf2,elf1 = (elf1, elf2)
+        if elf1.rmin <= elf2.rmin and elf1.rmax >= elf2.rmax:
+            score += 1
+    return score
+
+def solveb(lines: Iterable[str]) -> int:
+    score = 0
+    for line in lines:
+        elf1, elf2 = map(lambda x: Range(x), line.strip().split(','))
+        if elf2.length > elf1.length:
+            elf2,elf1 = (elf1, elf2)
+        if elf1.rmin <= elf2.rmax and elf1.rmax >= elf2.rmin:
+            score += 1
+    return score
+
+
+if __name__ == "__main__":
+    print(solve(fileinput.input()))
+    print(solveb(fileinput.input()))

04/example

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+2-4,6-8
+2-3,4-5
+5-7,7-9
+2-8,3-7
+6-6,4-6
+2-6,4-8