Respuesta :
First, we have to understand what scope is. When variables are declared, they are only available in the code block they're declared in, unless they're global variables (this doesn't apply here).
strFirst is declared in usernameMaker and that is the only place it is available in.
The scope of a variable is the area where the variable can be accessed.
The scope of strFirst is (a) the function usernameMaker
From the program, we have the following function header
def usernameMaker (strFirst, strLast):
The above header implies that:
strFirst is a local variable of the function usernameMaker
This means that, the scope of strFirst is limited to the function usernameMaker
Hence, the correct option is (a)
Read more about scope of variables at:
https://brainly.com/question/20058399