diff --git a/lectures/11_list_implemention/insert.png b/lectures/11_list_implemention/insert.png new file mode 100644 index 0000000..8f7e9d6 Binary files /dev/null and b/lectures/11_list_implemention/insert.png differ diff --git a/lectures/11_list_implemention/remove.png b/lectures/11_list_implemention/remove.png new file mode 100644 index 0000000..66a226e Binary files /dev/null and b/lectures/11_list_implemention/remove.png differ