Python Lists

What is the uses of a list in Python?

• A data type used for representing a single value

• A collection of elements that are ordered and mutable

• A function used for mathematical calculations

• A loop used for iterationg over sequences

How do you create an empty list in Python?

_{Note: 2 choices are correct}

• empty_list = {}

• empty_list = ()

• empty_list = []

• empty_list = list()

Which of the following is the correct way of accessing the first element in a list called students?

• students[1]

• students(1)

• students.first()

• students[0]

What does the 'append()' method do for lists?

• Removes the last element from lists

• Adds an element to the end of lists

• Reverse the order of the elements in lists

• Sorts the elements in lists

Which of the following methods can be used to remove an element by its value from a list?

• 'remove( )'

• 'delete( )'

• 'pop( )'

• 'discard( )'

How do you find the number of elements in a list?

• size(list)

• count(list)

• length(list)

• len(list)

What is the output of the following code?

• [1, 2, 3, 4]

• [5, 2, 3, 4]

• [1, 2, 3, 5]

• [1, 5, 3, 4]

Which method is used to sort a list in ascending order?

• order( )

• sort( )

• sorted( )

• arrange( )

What does the slicing operation do on a list in Python?

• Deletes elements from the list

• Appends elements to the list

• Extracts a portion of the list based on the provided indices

• Reverses the order of elements in the list

What will the following code snippet do?

• Create a new list with double the values of the original list

• Remove all even numbers from the original list

• Reverse the order of the elements in the original list

• Append the original list to another list