diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e43b0f9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.DS_Store
diff --git a/numbers/.DS_Store b/numbers/.DS_Store
deleted file mode 100644
index 4f54bca..0000000
Binary files a/numbers/.DS_Store and /dev/null differ
diff --git a/numbers/7/.DS_Store b/numbers/7/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
Binary files a/numbers/7/.DS_Store and /dev/null differ