1 files changed, 2 insertions, 4 deletions
diff --git a/20/py/d09.py b/20/py/d09.py
index 9950f16..3094c94 100644
--- a/20/py/d09.py
+++ b/20/py/d09.py
@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
+import aoc20
 import sys
 from collections import deque
 
@@ -45,9 +46,6 @@ def pt2(_in):
 
 
 if __name__ == "__main__":
-    if len(sys.argv) > 1:
-        input = open(sys.argv[1], "r").readlines()
-    else:
-        input = open("../input/09", "r").readlines()
+    input = aoc20.read_input(sys.argv[1:], 9)
     print(pt1(input))
     print(pt2(input))