diff --git a/2025/01/part1.py b/2025/01/part1.py
new file mode 100644
index 0000000..110d748
--- /dev/null
+++ b/2025/01/part1.py
@@ -0,0 +1,20 @@
+# TODO: Get the inout.
+
+counter = 50
+code = 0
+for move in moves:
+	direction, number = move[0], int(move[1:])
+
+	assert direction in ['L', 'R'], f"Direction should be left (L) or right (R), not '{direction}'"
+	assert number > 0, f"Number should be positive, not '{number}'"
+
+	if direction == 'L':
+		counter -= number
+	else:
+		counter += number
+
+	# If we get zero, let's store that.
+	if counter % 100 == 0:
+		code += 1
+
+print("The actual password is:", code)