$1.$ Display $$What is your first name?$$

$2.$ Input first name of the user $($call it first$\_$name$).$

$3.$ Display $$What is your last name?$$

$4.$ Input last name of the user $($call it last$\_$name$).$

$5.$ Convert all the letters of the first name to lowercase letters $($see below$).$

$6.$ Convert all the letters of the last name to lowercase letters.

$7.$ Generate the username by concatenating the last name with first character of the first name $($call this username$)$

$8.$ Display the username.