Define a function that when passed 6 parameters (I know, it's a bit more than we'd usually like), representing,

1. x-coordinate of top-left point of first square 2. y-coordinate of top-left point of first square 3. length of each side of first square 4. x-coordinate of top-left point of second square 5. y-coordinate of top-left point of second square 6. length of each side of second square

returns true if the two squares overlap (even by a little bit).

For example, a square with side 10 and top-left corner at (10, 20) and a square with side 5 and top-left corner at (20, 25), share one point in common (20, 20), so they do overlap.