diff --git a/lecture_material/05-oop1/wi.zip b/lecture_material/05-oop1/wi.zip
new file mode 100644
index 0000000000000000000000000000000000000000..3a3fe315015a5d74558a5c810a1a5eb4a45b97f0
Binary files /dev/null and b/lecture_material/05-oop1/wi.zip differ