diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 4c0640d..0000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
index 9bea433..77e6580 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,12 @@
+# Lecture Notes
+Lectures/
 
-.DS_Store
+# ignore data files from exercise 02
+*.xyz
+Exercise_02/**.txt
+
+# ignore plots folder of exercise 03
+plots/
+
+# vscode workspace config
+.vscode/