Explanation:Free variables are not formal arguments and are not local variables (assigned inside the function body). 3. Which of the following language supports lexical scoping ?
A. Perl
B. Python
C. Common Lisp
D. All of the mentioned
Answer:A
Explanation:Free variables are not formal arguments and are not local variables (assigned inside the function body). 3. Which of the following language supports lexical scoping ?
A. Perl B. Python C. Common Lisp D. All of the mentioned
Explanation:Lexical scoping in R has consequences beyond how free variables are looked up. 4. _________ require you to pass a function whose argument is a vector of parameters (