Exploring Strings, Sets, and Tuples

What method would you use to convert a string to lowercase in Python?

• string.lowercase()

• .lower()

• .upper()

• convert_to_lowercase()

How do you add an element to a set in Python?

• my_set.add(x)

• my_set.append(x)

• my_set.insert(x)

• my_set.addElement(x)

What is the result of unpacking a tuple with more variables than elements?

• IndexError: list index out of range

• AttributeError: 'tuple' object has no attribute 'length'

• TypeError: cannot unpack non-iterable int object

• ValueError: not enough values to unpack

Why are tuples considered immutable in Python?

• Tuples are immutable because their elements cannot be changed after creation.

• Tuples can have elements added or removed after creation.

• Tuples are mutable data structures.

• Tuples can be modified after creation.

What is one key difference between lists and tuples in Python?

• Lists can contain only numbers; tuples can contain any data type.

• Tuples are mutable; lists are immutable.

• Lists are fixed in size; tuples can grow and shrink dynamically.

• Lists are mutable; tuples are immutable.

How can you create a set from a list in Python?

• set(my_list)

• array(my_list)

• list(my_list)

• tuple(my_list)

Which method would you use to find the length of a string?

• Invoke the 'measure' property.

• Use the 'length' property or method.

• Use the 'size' function.

• Apply the 'count' method.

What operation would you use to find the intersection of two sets?

• Intersection operation

• Union operation

• Complement operation

• Difference operation

How do you access the first element of a tuple?

• tuple_name[0]

• tuple_name(0)

• tuple_name.first()

• tuple_name[1]

What happens if you try to change an element of a tuple?

• The tuple is modified successfully.

• A TypeError is raised.

• The tuple is converted to a list.

• A ValueError is raised.