diff --git a/01/solution.py b/01/solution.py
new file mode 100755
index 0000000..1d0bc5a
--- /dev/null
+++ b/01/solution.py
@@ -0,0 +1,9 @@
+#!/usr/bin/env python3
+
+with open("input.txt", "r") as _input:
+    data = [int(l) for l in _input.readlines()]
+
+sliding_sums = [sum(v) for v in zip(data, data[1:], data[2:])]
+answer = [b > a for a, b in zip(sliding_sums, sliding_sums[1:])].count(True)
+
+print(f"Answer: {answer}")