diff --git a/01/example_input b/01/example_input
new file mode 100644
index 0000000..167e291
--- /dev/null
+++ b/01/example_input
@@ -0,0 +1,10 @@
+199
+200
+208
+210
+200
+207
+240
+269
+260
+263
diff --git a/01/solution.py b/01/solution.py
new file mode 100644
index 0000000..2b7cf8c
--- /dev/null
+++ b/01/solution.py
@@ -0,0 +1,13 @@
+import sys
+
+with open(sys.argv[1]) as f:
+    numbers = list(map(int, f.readlines()))
+
+def part1(numbers):
+    return sum(1 for (cur, prev) in zip(numbers[1:], numbers) if cur > prev)
+
+def part2(numbers):
+    return part1([sum(x) for x in zip(numbers, numbers[1:], numbers[2:])])
+
+print(part1(numbers))
+print(part2(numbers))