You'll need to use some of the string methods that we covered in this lesson You can test your function by with a main() that is just the function call with the argument typed in. Second: write a function make_user (param) that will receive as its arguments three strings - the first name, last name, and client number and return the username. The user name should be created as • The first two characters of the first name, in lower case • The first two characters of the last name, in lower case The last three characters of the user number For the example, the username for user Nenya Lin will be neli548 You'll need to use slices, lower() and concatenation. You can test your function by with a main() that is just the function call with the arguments typed in. Finally: After your functions are working, write a main program to open the file, create usernames for the clients and print out client names and user names in a neat report format. For example Client Sally Jones Nenya Lin A Fule Mary Ann Smythe Username sajo345 neli548 afu000 masm012