diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2ed4d0f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+# Python cache
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+
+# Virtual environments
+venv/
+env/
+ENV/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS
+.DS_Store
+Thumbs.db
diff --git a/__pycache__/efficiency_nodes.cpython-312.pyc b/__pycache__/efficiency_nodes.cpython-312.pyc
deleted file mode 100644
index 52d2e47..0000000
Binary files a/__pycache__/efficiency_nodes.cpython-312.pyc and /dev/null differ