Lists and Tuples in Python

Front

What is the main difference between lists and tuples in Python?

Back

Lists are mutable, meaning they can be changed after creation, while tuples are immutable, meaning they cannot be changed.

Front

How do you create a list in Python?

Back

You can create a list by using square brackets, e.g., nameList = ["John", "Harry", "Jesse"].

Front

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

Back

You will get a TypeError because tuples are immutable.

Front

What does the function list(a) do when a is a string?

Back

It creates a list of characters from the string, e.g., list("Hello") results in ["H", "e", "l", "l", "o"].

Front

What is the syntax for accessing the first element of a list?

Back

You can access the first element of a list using index 0, e.g., listName[0].

Front

Can a list contain elements of different data types?

Back

Yes, a list can contain elements of different data types, such as integers, strings, and other lists.

Front

What is the method to add an element to the end of a list?

Back

You can use the append() method to add an element to the end of a list, e.g., listName.append(newElement).

Front

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

Back

You can use the remove() method to remove an element by its value, e.g., listName.remove(value).

Front

What is the result of the expression len(myList) where myList is a list?

Back

It returns the number of elements in the list myList.

Front

How do you create a tuple in Python?

Back

You can create a tuple by using parentheses, e.g., myTuple = (1, 2, 3).