Write a function displayNames $()$ which takes a filename, filename, as a parameter. This function will display the list of names in a single column, shown below. Use file USSenate.csv$.$

Note: Entire list is not displayed to conserve page spaceWrite a function findAvgAge $()$ that takes a filename, USSenate.csv$,$ as a parameter and returns the average age of the senate$.$ The file USSenate is a comma separated file in the order: lastname,firstname,state,age,years in senate$.$ findAvgAge will read the file and compute the average age of the senate$.$ Hint: use readlines$().$Write a function findSenators $()$ that returns the names of the two senators from a state. findSenatords$()$ will take two parameters, the filename and the state's name. The function will print the $2$ names together as one string.