Task: Program Execution
Input (English): Set1: '{1, 2, 4, 5, 7, 11, 13, 14, 17, 20}', Set2: '{1, 2, 6, 7, 8, 9, 16, 18, 19}'. How many elements are there in the intersection of Set1 and Set2 ?
Output (English): 3