# methods of the "set" data type
# "difference"

set1 = {1,2,3,4,5,6,7}
set2 = {3,5,7,9,11,13}

diff1 = set1.difference(set2)
# kind of "set1 - set2"

diff2 = set2.difference(set1)
# "set2 - set1", different result

print(diff1)
print(diff2)

# Output:
# {1, 2, 4, 6}
# {9, 11, 13}
