Swapping Places

sally starts at position (3,5)

fred starts at position (4,5)

Write the code to complete the method to make sally and fred trade places with sally at 4,5 and fred at 3,5 facing each other.

Copy this code to test another swap method
method main(){ 
    Jeroo sally = new Jeroo(3,5);
    Jeroo fred = new Jeroo(4,5);  

What is the least possible number of commands required to make the swap?