D. s[1:2] 20)How can you iterate over items in a dictionary? A. Accessing items by their index B. Iterating using list comprehension C. Using a while loop to access items D. Using the .items()method 21)How do you check if an item exists in a set in Python? A. Use the 'in keyword B. Use the contains()method to check for the item C. Use the get()method to retrieve the item D. Use the index()method to find the item 22)What operations can be performed on tuples in Python? A. Access items, count,index, length B. Access items, modify items and delete items C. Access items, add items, and loop through items D. Change items, remove items, and sort items 23)What is the output of the pop() method in a set? A. The pop() method returns None B. The pop() method returns the last item in the set C. The pop() method raises an error if the set is empty D. The pop() method returns an item from the set 24)How do you access a value in a dictionary using its key? A. Use the method dictionary_name.get(key) B. Access the value by using dictionary_name.key C. Use dictionary name[key!to modify the value D. Use dictionary name[key] 25)What is the result of using the union operator on two sets? A. A new set with all unique elements from both sets B. A new set containing all elements from the first set only C. An empty set with no elements combined