A disciplined, creative, and effective approach to problem solving is needed for project success. The nine-step approach to problem solving begins with develop a problem statement and the ninth step is determine if the problem has been solved. Which of the steps listed in not a step on the nine-step approach? A. Gather data and verify the most likely causes.
B. Determine the most popular solution.
C. Revise the project plan.
D. Evaluate the alternative solutions.

Write a program that keeps asking the user for new values to be added to a list until the user enters 'exit' ('exit' should not be added to the list). these values entered by the user are added to a list we call 'initial_list'. then write a function that takes this initial_list as input and returns another list with 3 copies of every value in the initial_list. finally, inside print out all of the values in the new list. for example: input: enter value to be added to list: a enter value to be added to list: b enter value to be added to list: c enter value to be added to list: exit output: a b c a b c a b c note how 'exit' is not added to the list. also, your program needs to be able to handle any variation of 'exit' such as 'exit', 'exit' etc. and treat them all as 'exit'.