Program of passing arguments to functions:
This was an illustration of a function which did not receive any input arguments nor did it return any output arguments; it easily accomplished a task.
Here is the other illustration of a function which does not receive any input arguments, but in this situation it does return a value. The function prompts an user for a string and returns the value entered.
>> mystring = stringprompt
Whenever prompted, enter a string of any length.
Enter the string here: Hi there