the part of the program where strfirst can be used\ndef username (strfirst, strlast):\n return strfirst0 +…

the part of the program where strfirst can be used\ndef username (strfirst, strlast):\n return strfirst0 + strlast\ndef username (strfirst, strlast):\n return strfirst + strlast0\nanswer = username (joann, doe)\nprint (answer)\nneighborhood\nassignment\nscope\nvalue

the part of the program where strfirst can be used\ndef username (strfirst, strlast):\n return strfirst0 + strlast\ndef username (strfirst, strlast):\n return strfirst + strlast0\nanswer = username (joann, doe)\nprint (answer)\nneighborhood\nassignment\nscope\nvalue

Answer

Brief Explanations:

In programming, the part of a program where a variable can be used is called its scope. Here, strFirst is a parameter in the username function and can be used within that function's scope.

Answer:

C. scope