Write a function called hasVowel $($ input$\_$string$)$ that takes in a string and returns True if the String has a vowel $($a$,$ e$,$ i $,$ o$,$ or u$)$ and False otherwise.

Example:

hasVowel $("$apple$")$ # returns True

hasVowel $("$banana$")$ # return True

hasVowel $("$gym$")$ # returns False

hasVowel $("$rhythm$")$ # returns False