There might be red herrings. Use the blocks you think you need.
Mrs McColl is a computing teacher who creates a program to grade her pupils' work. Mrs McColl's students have had two tests, one in Software Design and Development (SDD) and one in Information Systems Design and Development (ISDD).
Write a function that will count and display the number of pupils who achieved a grade B in both tests. (2016 Exam paper Q10a)