NRIT_Python_Quiz02

What is the output of print([1, 2, 3] + [4, 5, 6])?

• [1, 2, 3, 4, 5, 6]

• [5, 7, 9]

• [4, 5, 6, 1, 2, 3]

• Error

What does list1.append(5) do?

• Adds 5 to the end of list1

• Inserts 5 at index 0

• Deletes index 5

• Raises an error

What is the output of print(len([1, [2, 3], 4]))?

• 3

• 4

• 5

• 2

How do you remove an element from a list by value?

• list.remove(value)

• list.delete(value)

• list.pop(value)

• del list[value]

What is the result of list1 = [1, 2, 3] and list1 * 2?

• [1, 2, 3, 1, 2, 3]

• [1, 2, 3, 2]

• [1, 2, 3, 1]

• [2, 4, 6]

What is the output of dict1 = {'a':1, 'b':2}; print(dict1['a'])?

• 'a'

• 1

• 2

• Error

How can you get all the keys of a dictionary?

• dict.keys()

• dict.values()

• dict.items()

• dict.get()

Which method removes a key-value pair from a dictionary?

• del dict[key]

• dict.pop(key)

• dict.remove(key)

• Both a and b

What happens when you try to access a key that doesn't exist in a dictionary?

• Returns None

• Raises KeyError

• Prints 0

• Creates the key

What is the output of len({'a': 1, 'b': 2, 'c': 3})?

• 3

• 6

• 2

• 1