can anyone help me with this?

Copy the following into main.py. def items_in_both( a,b) : pass if _-name__= "__main_-": \# main \# use this code to help chedion. function. a ={1,2,3} b={1,4,5,6} print(items_in_both (a,b)) Update the function items_in_both() so that it returns the set that contains only the items that appear in both sets. References