#Ex1
thisset = {"apple", "banana", "cherry"}
thisset.add("orange")
print(thisset)
# output:{'banana', 'apple', 'cherry', 'orange'}
    
#Ex2
thisset = {"apple", "banana", "cherry"}
tropical = {"pineapple", "mango", "papaya"}
thisset.update(tropical)
print(thisset)
# output: {'apple', 'pineapple', 'papaya', 'mango', 'banana', 'cherry'}
    