Data Types in Python

Which if the values below is an integer data type?

• 1

• 1.0

• 1/2

• "1"

What is a String?

• A data type that contains whole numbers. eg: 3, 45, 124

• Numbers with decimal point. eg: 0.5, 2.45, 56.04

• Group of characters between quotation marks. eg: "dog"

• Data type that can only be True or False.

What is an Integer?

• A data type that contains whole numbers. eg: 3, 45, 124

• Numbers with decimal point. eg: 0.5, 2.45, 56.04

• Group of characters between quotation marks. eg: "dog"

• Data type that can only be True or False.

Which statement is correct?

• List is immutable && Tuple is mutable

• List is mutable && Tuple is immutable

• Both are Mutable

• Both are Immutable

Suppose a list with name arr, contains 5 elements. You can get the 2nd element from the list using:

• arr[-2]

• arr[2]

• arr[-1]

• arr[1]

Which of the following is correct with respect to above Python code?

d={"a":3,"b":7}

• a dictionary d is created.

• a and b are the keys of dictionary d.

• 3 and 7 are the values of dictionary d

• All of the above.

What will be the result of above Python code?

dict={"Joey":1,"Rachel":2}

dict.update({"Phoebe":2})

print(dict)

• {"Joey":1,"Rachel":2,"Phoebe":2}

• {"Joey":1,"Rachel":2}

• {"Joey":1,"Phoebe":2}

• Error

Select all the correct options to join two lists in Python

listOne = ['a', 'b', 'c', 'd']

listTwo = ['e', 'f', 'g']

• newList = listOne + listTwo

• newList = extend(listOne, listTwo)

• newList = listOne.extend(listTwo)

• newList.extend(listOne, listTwo)

Suppose list1 is [1, 3, 2], What is list1 * 2 ?

• [2, 6, 4].

• [1, 3, 2, 1, 3]

• [1, 3, 2, 1, 3, 2]

• [1, 3, 2, 3, 2, 1]

What data type is the object below ? L = [1, 23, ‘hello’, 1]

• List

• Dictionary

• Tuple

• Array