1. Define a function (method) "isPrime" that takes an integer as a parameter and returns a boolean(true/false) whether the integer is a prime number
2. Define a function that takes a string as a parameter and returns the number of vowels it contains
1. Define a function (method) "isPrime" that takes an integer as a parameter and returns a boolean(true/false) whether the integer is a prime number
2. Define a function that takes a string as a parameter and returns the number of vowels it contains
