The professor provided us with code and we are suppose to alter it. In order to get the proper outputs. I’m unsure why mines is wrong.
It is graded on:
calculator(expr) :The grading script will feed 4 randomly chosen test inputs, each for 1.5 points. One of them will be an input that should cause an error such as “4 */2+5”, whose expected returned value is an error message.
findNextOpr(txt): 2 randomly chosen test inputs checking the correct returned values.
isNumber(txt): 2 randomly chosen test inputs checking the correct returned values.
getNextNumber(expr, index): 1 randomly chosen test input checking the correct returned value.
This is
