Python MCQ and Answers – Data types
This collection of Python Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer focuses on “Data types”.
1. What is the data type of print(type(5))?
A double
B float
C integer
D int
D
type() function gives the class type of the argument. The output is :
<class 'int'>2. Which of the following is not a built-in data type?
A Dictionary
B Lists
C Tuples
D Class
D
Class is not a built-in data type, but a user defined data type.
3. Which of the following statement is correct?
A List and Tuple are Immutable
B List and Tuple are Mutable
C Tuple is immutable and List is mutable
D Tuple is mutable and List is immutable
C
Tuple is immutable and List is mutable. A mutable data type means that an object of this type can be modified. An immutable object can not be modified.
4. What is the output of the following code?
str = "welcome" print(str[:2])
A el
B we
C lc
D wel
B
We are displaying only the first two bytes of string, so the answer is “we”.
5. What is the return type of id() function?
A bool
B list
C int
D double
C
id() function returns an integer value that is unique. Example: Return the id of a tuple object:
color = ('blue', 'green', 'red')
x = id(color)
Output:
75342922
6. What is the data type of print(type(0xEE))?
A int
B hex
C hexint
D number
A
We can display integers in binary, octal and hexadecimal formats.
- 0b or 0B for Binary
- 0o or 0O for Octal
- 0x or 0X for Hexadecimal
7. What is the output of the following code: print(type({}) is set)?
A True
B False
B
{} show an empty dictionary while set() is used to show an empty set.
8. In Python 3, what is the type of type(range(10))?
A tuple
B int
C range
D list
C
range() function gives a series of numbers, begining from 0, and increments by 1, and stops before a given number.
9. What type of error can arises when you execute the following code x = y?
A TypeError
B ValueError
C NameError
D SyntaxError
C
‘y’ is not defined so name error. The output:
Traceback (most recent call last):
File "main.py", line 11, in <module>
print(x = y)
NameError: name 'y' is not defined
10. What is the output of the following code?
def test(n):
n = n + '3'
n = n * 3
return n
print(test("hello"))
A hello3hello3hello3
B IndentationError
C hello3
D None of the mentioned
B
Output:
File "main.py", line 11
n = n * 3
^
IndentationError: unexpected indent
11. Suppose we have a list with 6 elements. You can get the second element from the list using ________
A mylist[-2]
B mylist[2]
C mylist[-1]
D mylist[1]
D
mylist[0] gives the first element while mylist[1] gives the second element.
12. What is the data type of the following object?
x = [5, 22, 'str', 1]
A tuple
B array
C dictionary
D list
D
List can store any values within it.
13. To store values as regards key and value we use ___________.
A tuple
B class
C dictionary
D list
C
To store values as regards key and value we use dictionary.
14. Can we use tuple as dictionary key?
A True
B False
A
A dictionary key have to be immutable. We can use a tuple as a key if the elements in the tuple are immutable.
15. What is the return value of trunc() function?
A bool
B int
C float
D None
B
trunc() function returns the truncated integer belong to a number. Example:
print(math.trunc(2.77)) #Output: 2
- Python MCQ and Answers – Part 1
- Python MCQ and Answers – Part 2
- Python MCQ and Answers – Part 3
- Python MCQ and Answers – Part 4
- Python MCQ and Answers – Part 5
- Python MCQ and Answers – Part 6
- Python MCQ and Answers – Part 7
- Python MCQ and Answers – Part 8
- Python MCQ and Answers – Part 9
- Python MCQ and Answers – Part 10
- Python MCQ and Answers – Part 11
- Python MCQ and Answers – Part 12
- Python MCQ and Answers – Part 13
- Python MCQ and Answers – Part 14
- Python MCQ and Answers – Part 15
- Python MCQ and Answers – Part 16
- Python MCQ and Answers – Part 17
- Python MCQ and Answers – Part 18
- Python MCQ and Answers – Part 19
- Python MCQ and Answers – Part 20
- Python MCQ and Answers – Lists
- Python MCQ and Answers – Strings
- Python MCQ and Answers – Data types
- Python MCQ and Answers – Variables And Operators – Part 2
- Python MCQ and Answers – Variables And Operators – Part 1
