Arrays

What is an array in Python?

• A data structure that stores elements of different data types

• A container that holds a fixed number of elements of the same data type

• A built-in function used for mathematical calculations

• A library used for creating graphical user interfaces

Which module in Python provides support for arrays?

• numpy

• math

• random

• os

How do you create an array in Python using the array module?

• arr = array.array

  ([1, 2, 3])

• arr = array([1, 2, 3])

• arr = [1, 2, 3]

• arr = array('i', [1, 2, 3])

How do you access an element in a Python array?

• arr.get(index)

• arr[index]

• arr.element(index)

• arr.access(index)

How do you insert an element at the end of a Python array?

• arr.insert(0, element)

• arr.add(element)

• arr.append(element)

• arr.extend(element)

What does the 'i' argument represent in the array creation statement: arr = array('i', [1, 2, 3])?

• It specifies the array size

• It indicates the array type as integer

• It defines the initial values for the array

• It is an invalid argument

How do you remove an element from a Python array?

• arr.pop(index)

• arr.remove(index)

• arr.delete(index)

• arr.extract(index)

Which of the following methods sorts a Python array in ascending order?

• arr.reverse()

• arr.sort()

• arr.shuffle()

• arr.order()

Which of the following methods returns the number of elements in a Python array?

• arr.count()

• arr.length()

• arr.size()

• arr.len()

What does the method arr.index(element) return?

• The value of the element at the specified index

• The number of occurrences of the specified element in the array

• The index of the specified element in the array

• The length of the array