Code is in python and is only asking for a function (no main). Please if possible upload a screen shot that is typed and indented correctly if possible. Thank you

s sieve union_sets > Main Page -> ProblemsSlve a Problem twice Favorite Show Header Python set collections Marty Stepp (on 2017/07/08) Language/Type Author: Write a function named twice that accepts as a parameter a list of integers and returns a set containing all the numbers in the list that appear exactly twice For example, if a list variable v stores (1, 3. 1, 4. 3. 7. -2. 8, 7, -2. -2, ), the call of twice(v)should return the set (3, 7) If you want an extra challenge: Use only sets as auxiliary storage. Type your Python solution code here: 4 This is a function problem. Write a Python function as described. Do not write a complete program; just the function(s) above. Sound F/X Highlighting Submit 8 Need help? If you do not understand how to solve a problem or why your solution doesn't work, please contact your TA or instructor If something seems wrong with the site (errors, slow performance, incorrect problems/tests, etc.), please contact us