diff --git a/2025/d01.py b/2025/d01.py
new file mode 100644
index 0000000..5cfc6fd
--- /dev/null
+++ b/2025/d01.py
@@ -0,0 +1,5 @@
+from lib import get_data
+
+data = get_data(__file__)
+print(data)
+
diff --git a/2025/lib.py b/2025/lib.py
new file mode 120000
index 0000000..c1b5c82
--- /dev/null
+++ b/2025/lib.py
@@ -0,0 +1 @@
+../lib.py
\ No newline at end of file
diff --git a/lib.py b/lib.py
index ef421f8..475c62b 100644
--- a/lib.py
+++ b/lib.py
@@ -276,7 +276,7 @@ def extract_year_and_date(scriptname) -> tuple[str, str]:
 def get_data(filename):
     path, file = os.path.split(filename)
     year = path[-4:]
-    day = file.replace("d", "").replace(".py", "")
+    day = file.replace("d0", "").replace("d", "").replace(".py", "")
     txt_file = f"d{day}.txt"
 
     if os.path.isfile(txt_file):