On Secretly Terrible Engineers(techcrunch.com)

  int* foo; // The addition of a star here, on a type, means we're converting the type /into/ a pointer-to-int /from/ a plain int.

  int i = *foo; // The addition of a star here, on a value, means we're converting the type /from/ a pointer-to-int /into/ a plain int (reference).

  int& foo = ...; // The addition of & here, on a type, means we're converting the type /into/ a reference /from/ a plain int.

  p = &foo; // The addition of & here, on a value, means we're converting the type /from/ a reference /into/ a pointer-to-int.

    a = [7, 9, 2, 8]
    
    highest = max(a)
    a.remove(highest)

    nexthighest = max(a)
    a.remove(nexthighest)

    print highest + nexthighest    

    a = [7, 9, 2, 8]

    highest = None
    nexthighest = None

    for item in a:
        if not highest or item > highest:
            highest = item
        elif not nexthighest or item > nexthighest:
            nexthighest = item

    print highest + nexthighest

    a = [7, 9, 2, 8] 
    print sum(sorted(a)[-2:])