Mastering Python Lists

Front

How do you create a list in Python?

Back

You create a list in Python using square brackets, e.g., my_list = [] or my_list = [1, 2, 3].

Front

What is the syntax to access the first element of a list?

Back

list[0]

Front

How can you slice a list to get the first three elements? Options: list[:3], list[0:3], list.first(3), list(3)

Back

list[:3]

Front

Which method would you use to add an element to the end of a list? Options: append(), add(), insert(), push()

Back

append()

Front

What will be the output of list[1:4] if list = [10, 20, 30, 40, 50]?

Back

[20, 30, 40]

Front

How do you remove an element from a list by its value? Options: Use list.pop(index) to remove an element by its index. Use list.delete(value) to remove an element by its value. Use del list[value] to remove an element by its value. Use list.remove(value) to remove an element by its value.

Back

Use list.remove(value) to remove an element by its value.

Front

What is the result of list.index(30) if list = [10, 20, 30, 40, 50]?

Back

2

Front

How can you concatenate two lists in Python?

Back

You can use the '+' operator or the extend() method.

Front

What method would you use to sort a list in ascending order?

Back

Use the sort method.

Front

How do you find the length of a list?

Back

Use len(list_name) to find the length of a list.