fruits={"apple","orange","banana","apple","pear","papaya","papaya"}
fruit_basket={"apple","banana","grapes","mango","kiwi"}
print(fruits)
print(fruits & fruit_basket)
print(fruits | fruit_basket)
print(fruits-fruit_basket)
print(fruits ^ fruit_basket)
print(len(fruit_basket))
print("pear" in fruits)
print("pear" not in fruit_basket)
print(fruits.issubset(fruit_basket))
print(fruits.issuperset(fruit_basket))
print(fruit_basket.copy())
