The code is the picture below, what changes are needed to satisfy the question below? This is in c++

5 (10 pts) Using the example shown in class in file non numbers.cpp, extend the program (in the 2 relevant places) to check, not just for numbers, but for all alphanumeric characters (that is, numbers and letters). Test your program out and make sure it works. Staple your modified program in a separate sheet to this homework assignment