Mastering Lists and Loops in Python

What method would you use to add an item to the end of a list?

• Use the 'remove()' method.

• Use the 'append()' method.

• Use the 'insert()' method.

• Use the 'extend()' method.

How do you remove an item from a list by its value?

• Use list.pop(index) to remove an item by its index.

• Use del list[value] to remove an item by its value.

• Use list.remove(value) to remove an item by its value.

• Use list.clear() to remove all items from the list.

What is the output of the following code: list1 = [1, 2, 3]; print(list1[1])?

• 4

• 1

• 3

• 2

How can you reverse a list in Python?

• list.pop()

• list.sort()

• list.append()

• list.reverse() or list[::-1]

What method would you use to get the number of items in a list?

• count(list)

• size(list)

• total(list)

• len(list)

How do you access a value in a dictionary using its key?

• Use dictionary_name.get(key) to retrieve the value.

• Access the value by calling dictionary_name.key() method.

• Use dictionary_name[key] to access the value.

• Use dictionary_name[key] to modify the value.

What method would you use to add a new key-value pair to a dictionary?

• dictionary.add(key, value)

• dictionary.insert(key, value)

• dictionary.put(key, value)

• dictionary[key] = value

How can you remove a key from a dictionary?

• Use 'dict.remove(key)'

• Use 'del dict[key]' or 'dict.pop(key)'.

• Use 'dict.delete(key)'

• Use 'key.remove()'

What is the output of the following code: dict1 = {'a': 1, 'b': 2}; print(dict1.get('c', 0))?

• None

• 0

• 1

• 2

How do you check if a key exists in a dictionary?

• Use 'key.exists()' to verify key presence.

• Use 'key in dictionary' to check for key existence.

• Use 'dictionary.key' to access the value.

• Check 'dictionary.has_key(key)' for existence.