diff --git a/sum23/lecture_materials/02_Operators_Vars_Exprs/lec-02-worksheet-solution.pdf b/sum23/lecture_materials/02_Operators_Vars_Exprs/lec-02-worksheet-solution.pdf new file mode 100644 index 0000000000000000000000000000000000000000..dfd45bcc92ef1253fd566e462b278320f9aabe23 Binary files /dev/null and b/sum23/lecture_materials/02_Operators_Vars_Exprs/lec-02-worksheet-solution.pdf differ