A value-returning function is O a function that receives a value when called O a single statement that performs a specific task O called when you want the function to stop O a function that will return a value back to the part of the program that called it

A(n) is a variable that receives an argument that is passed into a function. O global variable O named constant O parameter O argument

A local variable can be accessed from anywhere in the program. O True O False

4.) Write a program that allows a user to enter a string, then prints out the same string with every character duplicated. Your program should include a main function plus one other function. Make sure to use Python style convention.

Sample program:

Enter a string: coffee

ccooffffeeee