in python please help, explanation would also help me understand, thanks

3. Implement a function vowels0 that takes no parameters, inputs a string from the user, counts all of the vowels purposes of this question appearing in the string, and prints a message with the count for each vowel. For the vowels are a, e, i, o, and u. Make sure that vowels appearing in both upper- and lowercase are counted. The following shows several examples of how the function would be used: file:ll/Users/bmaya/Documents/DePaul_Teaching/17-18 WOsc241W2017Hws/assign3 html 2/4 1/16/2018 Assignment 3 CSC 241-801 Python 3.6.2 Shell File Edit She Debu Options Wndow Help >>>Vovels ( Please enter a string: This is a TEST. This is ONLY a test This is a TEST. This is ONLY a test. has 2'a's, 2 'e's, 41's, 1'o's, and 0'u's >>>Vovels () Please enter a string: Supercalifragilisticexpialidocious is VERY LONG word Supercalifragilisticexpialidocious is A VERY LONG word has 4'a's, 3 e's, 81's, 4 o's, and 2 'u's vovels () Please enter a string: 1, 2, 3, 4, 5 1, 2, 3, 4, 5 Ln: 43 Col: 4