Please make sure you adhere to the policies on academic integrity.

1. (10 points)

   Write a program that allows the user to enter words, continuing until the user first enters a duplicate. Your program should work as showin in the following interaction. (The underlined parts are those parts typed by the user.)

   Start entering words:
   kiwi	
   apple	
   banana	
   apple	
   You already entered apple.
   You listed 3 distinct words.

2. (10 points)

   Write a program that answers the following question. Starting with the value x = 1, how many times can x be doubled before reaching one million or more?

   Submit both your source code and the answer you computed for the above question.