myset = {1, 3, 5, 7, 9, 11}
#remove an arbitrary element
print(myset.pop())
print(myset.pop())
print(myset.pop())
print(myset.pop())
print(myset)
myset = {1, 3, 5, 7, 9, 11}
#remove an arbitrary element
print(myset.pop())
print(myset.pop())
print(myset.pop())
print(myset.pop())
print(myset)