diff --git a/day04.py b/day04.py
index 937dab5..60fe29e 100644
--- a/day04.py
+++ b/day04.py
@@ -22,20 +22,10 @@ class Day(AOCDay):
             yield list(sorted(map(int, s1.split("-")))), list(sorted(map(int, s2.split("-"))))
 
     def part1(self) -> Any:
-        count = 0
-        for s1, s2 in self.get_sections():
-            if (s1[0] <= s2[0] and s1[1] >= s2[1]) or (s2[0] <= s1[0] and s2[1] >= s1[1]):
-                count += 1
-
-        return count
+        return sum((s1[0] <= s2[0] and s1[1] >= s2[1]) or (s2[0] <= s1[0] and s2[1] >= s1[1]) for s1, s2 in self.get_sections())
 
     def part2(self) -> Any:
-        count = 0
-        for s1, s2 in self.get_sections():
-            if s1[0] <= s2[0] <= s1[1] or s2[0] <= s1[0] <= s2[1]:
-                count += 1
-
-        return count
+        return sum(s1[0] <= s2[0] <= s1[1] or s2[0] <= s1[0] <= s2[1] for s1, s2 in self.get_sections())
 
 
 if __name__ == '__main__':