Took an art class for fun. Been a programmer for 20 years. Final exam the instructor put a bunch of glass vases up for us draw. We had never covered glass or

Took an art class for fun. Been a programmer for 20 years. Final exam the instructor put a bunch of glass vases up for us draw. We had never covered glass or anything transparent. Teacher was quite surprised when this was pointed out after everyone struggled for 3 hours. She was generous on grade.