1 Lexical/Dynamic Scoping procedure main(): int var = 5; procedure set_var(int val): var = val; end set_var procedure proc1(): set_var (3); end proci procedure proc2(): int var = 7; set_var (1); print var; end proc2 print var; set_var (22); proc1(); print var; proc2(); 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