Create these functions in list$\_$functions.py$.$Write a function squares$($n$)$ that returns a list of all the perfect squares from $1$ to n$2.$ So$,$ squares$(5)$ should build the list $[1,4,9,16,25],$ and return it$.$ In your function, start with an empty list $([])$ and use the $.$append method in a loop to add successive squares to the list.Create a function even$\_$only that takes a list of numbers as an argument. It should return a list that consists of all the elements from the argument that are even numbers. For example, even$\_$only$([2,4,5,9,10,12])$ should return $[2,4,10,12]$ and even$\_$only$($squares$(10))$ should return $[4,16,36,64,100].$Suggestion: Create an empty list for the result. Iterate though the items in the argument list. As you go$,$ if an item is even, add it to the result list. At the end, return the result list.