1 Lexical/Dynamic Scoping procedure main: int var 10; procedure set_var(int val) var - val; end set var procedure proc1): set var(1); end proc1 procedure proc20: int var -2; set var(4); print var; end proci2 print var; set var(41); proc1; print var; proc20; end main (a) Suppose the procedure main) uses static (lexical) scoping. What will it print, and why? (b) Suppose the procedure main() uses dynamic scoping. What will it print, and why