You go to super-duper college, where you graduate only if you receive an 'A' or 'B' is your Chemistry and Programming classes. Create a method that returns "true" if the grade for Chemistry and Programming is 'A' or 'B'. This method should return a false if otherwise.
getToGraduate('A', 'B') → True
getToGraduate('A', 'C') → False
getToGraduate('B', 'B') → True
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