$ ruby square-3.rb
Square 1: #<Square:0x007fdb1a047bb0 @side_with=5>
Perimeter of Square1 is: 20
Square 2: #<Square:0x007fdb1a047b60 @side_with=10>
Perimeter of Square2 is: 40
Square number of sides : 4
Setting number of sides to 5:...
Square number of sides : 5
Recalculating perimeters:
Perimeter of Square1 is: 25
Perimeter of Square2 is: 50
$