diff --git a/f22/meena_lec_notes/lec-09/.gitignore b/f22/meena_lec_notes/lec-09/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..2f0426efd1026e89d258c14043a46779dd2633f1
--- /dev/null
+++ b/f22/meena_lec_notes/lec-09/.gitignore
@@ -0,0 +1,4 @@
+.DS_Store
+.OTTER_LOG
+__pycache__/
+.ipynb_checkpoints