diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..1c78e68
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+pandas==2.13
+numpy==1.24.2
+seaborn==0.12.2
+matplotlib==3.8.2
\ No newline at end of file
diff --git a/spandas/__init__.py b/spandas/__init__.py
new file mode 100644
index 0000000..c403993
--- /dev/null
+++ b/spandas/__init__.py
@@ -0,0 +1,15 @@
+"""
+Copyright 2024 Selling Pandas team
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
diff --git a/spandas/preprocessing.py b/spandas/preprocessing.py
new file mode 100644
index 0000000..5ac91f0
--- /dev/null
+++ b/spandas/preprocessing.py
@@ -0,0 +1,2 @@
+# write your code here
+# it is preferable to use Classes in this module