Expected results for test: P3-14.pl460 P3-14.pl460 : (define (main) (display (append '(0 1 2) '(3 5 5))) (newline) (display (append '(0 1 2) '())) (newline) (display (append '() '(3 5 5))) (newline) (display (append '() '())) (newline) ) (main) Input file: P3-14.pl460 0 errors found in input file P3-14.cpp : // Autogenerated PL460 to C++ Code // File: P3-14.cpp #include #include "Object.h" using namespace std; int main () { Object __RetVal; cout << listop ("append", Object("(0 1 2 )"), Object("(3 5 5 )")); cout << endl; cout << listop ("append", Object("(0 1 2 )"), Object("()")); cout << endl; cout << listop ("append", Object("()"), Object("(3 5 5 )")); cout << endl; cout << listop ("append", Object("()"), Object("()")); cout << endl; return 0; } PL460 program output: (0 1 2 3 5 5) (0 1 2) (3 5 5) () C++ program output: (0 1 2 3 5 5) (0 1 2) (3 5 5) () Differences: < pl460 | cpp > (0 1 2 3 5 5) (0 1 2 3 5 5) (0 1 2) (0 1 2) (3 5 5) (3 5 5) () ()