Write a program that takes a first name as the input, and outputs a welcome message to that name. Ex: If the input is Pat the output is:
Hello Pat and welcome to cs Online
Input Welcome message
1 user_name = input 2 3
Type your code here

The program that takes first name as the input, and outputs a welcome message to that name is represented below:

user_input = str(input("please type your first name: "))

print(f" Hello {user_input} !! Welcome to CS online ")

The code is written in python.

The variable user_input is used to store the user's input. It ask the user for his/her first name and store it.

Then we print the welcome statement using the f string.

F-string are use to combine strings and variables.

learn more on python program; link

The program in Python is as follows:

user_name = input("Name: ")

print("Hello "+user_name+" and welcome to cs Online")

Explanation:

The program is written in Python, and it uses basic input and output function to execute the instruction in the question.

First: Prompt the user for username

This is done in the following line

user_name = input("Input your name: ")

Next, the print function is used to output the welcome message

print("Hello "+user_name+" and welcome to cs Online")

i think the answer is a or d