diff --git a/sum23/lecture_materials/06_Iteration1/lec-06-worksheet-solutions.pdf b/sum23/lecture_materials/06_Iteration1/lec-06-worksheet-solutions.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..ca377734aa38717c15a4b86da324ec9cbc26c2ea
Binary files /dev/null and b/sum23/lecture_materials/06_Iteration1/lec-06-worksheet-solutions.pdf differ