Here are 100 Python multiple choice questions (MCQs) with 4 options for each and the correct answer indicated at the end of each question:
1. Who developed Python Programming Language?
a) Wick van Rossum
b) Rasmus Lerdorf
c) Guido van Rossum
d) Niene Stom
Answer: c) Guido van Rossum
2. Which type of Programming does Python support?
a) object-oriented programming
b) structured programming
c) functional programming
d) all of the mentioned
Answer: d) all of the mentioned
3. Is Python case sensitive when dealing with identifiers?
a) no
b) yes
c) machine dependent
d) none of the mentioned
Answer: b) yes
4. Which of the following is the correct extension of the Python file?
a) .python
b) .pl
c) .py
d) .p
Answer: c) .py
5. Is Python code compiled or interpreted?
a) Compiled
b) Interpreted
c) Both
d) None
Answer: b) Interpreted
6. Which of the following is not a keyword in Python?
a) assert
b) nonlocal
c) pass
d) eval
Answer: d) eval
7. Which of the following is an immutable data type?
a) List
b) Set
c) Tuple
d) Dictionary
Answer: c) Tuple
8. What is the output of the following code?
print(type(5))
a) <class 'int'>
b) <class 'str'>
c) <class 'float'>
d) <class 'char'>
Answer: a) <class 'int'>
9. What is the output of the following code?
x = 10
y = 50
if x ** 2 > 100:
print(x, end=" ")
if y < 100:
print(y, end=" ")
a) 10 50
b) 50
c) 10
d) None
Answer: b) 50
10. Which of the following functions is a built-in function in Python?
a) factorial()
b) print()
c) sqrt()
d) pow()
Answer: b) print()
11. What is the maximum possible length of an identifier in Python?
a) 16
b) 32
c) 64
d) No fixed length is specified
Answer: d) No fixed length is specified
12. Which of the following statements is correct regarding the object-oriented programming concept in Python?
a) Python supports classes but not objects
b) Python is a partially object-oriented programming language
c) Python is a fully object-oriented programming language
d) Python doesn't support classes
Answer: c) Python is a fully object-oriented programming language
13. What is the output of the following code?
def f(x):
return x + 1
f = lambda x: x + 1
print(f(2))
a) 3
b) 2
c) Error
d) None of the above
Answer: a) 3
14. What is the output of the following code?
a = [1, 2, 3]
a.append([4, 5])
print(a)
a) [1, 2, 3, 4, 5]
b) [1, 2, 3, [4, 5]]
c) Error
d) None of the above
Answer: b) [1, 2, 3, [4, 5]]
15. What is the output of the following code?
x = [1, 2, 3, 4]
print(x[-1])
a) 1
b) 2
c) 3
d) 4
Answer: d) 4
16. Which of the following is used to define a block of code in Python?
a) Curly brackets
b) Parenthesis
c) Indentation
d) Quotation marks
Answer: c) Indentation
17. Which of the following is not a core data type in Python?
a) Lists
b) Dictionary
c) Tuples
d) Class
Answer: d) Class
18. Which keyword is used for function in Python?
a) Function
b) Def
c) Fun
d) Define
Answer: b) Def
19. What is the output of the following code?
x = [1, 2, 3, 4]print(len(x))
a) 3
b) 4
c) Error
d) None of the above
Answer: b) 4
20. What is the correct syntax to declare a variable in Python?
a) var name
b) let name
c) name = value
d) var: name
Answer: c) name = value
21. Which of the following is used to define a set in Python?
a) {}
b) []
c) ()
d) ""
Answer: a) {}
22. What is the output of the following code?
print("hello"[0])
a) h
b) e
c) l
d) o
Answer: a) h
23. What is the output of the following code?
a = [1, 2, 3]
print(a * 2)
a) [2, 4, 6]
b) [1, 2, 3, 1, 2, 3]
c) [1, 4, 9]
d) [2, 3, 4]
Answer: b) [1, 2, 3, 1, 2, 3]
24. How do you create a dictionary in Python?
a) {"key": "value"}
b) ["key", "value"]
c) ("key", "value")
d) None of the above
Answer: a) {"key": "value"}
25. What will the following code print?
d = {"name": "Alice", "age": 25}
print(d["name"])
a) Alice
b) 25
c) name
d) Error
Answer: a) Alice
26. Which of the following is not a valid variable name in Python?
a) my_var
b) 123var
c) var123
d) _var
Answer: b) 123var
27. What is the output of the following code?
x = [1, 2, 3]
print(x[1:])
a) [1]
b) [2, 3]
c) [1, 2]
d) [3]
Answer: b) [2, 3]
28. What is the purpose of the pass statement in Python?
a) It is used to skip the iteration.
b) It is used to terminate a loop.
c) It is used as a placeholder for future code.
d) It is used to return a value from a function.
Answer: c) It is used as a placeholder for future code.
29. What is the output of the following code?
def func():
return 5
print(func())
a) None
b) 5
c) func
d) Error
Answer: b) 5
30. What will the following code produce?
x = [1, 2, 3, 4, 5]
print(x[:])
a) [1, 2, 3, 4, 5]
b) [2, 3, 4, 5]
c) [1]
d) None of the above
Answer: a) [1, 2, 3, 4, 5]
31. What is the output of the following code?
print(2 ** 3)
a) 6
b) 8
c) 9
d) Error
Answer: b) 8
32. What is the output of the following code?
print("hello".upper())
a) Hello
b) HELLO
c) hello
d) Error
Answer: b) HELLO
33. What is the correct way to import a module in Python?
a) import module_name
b) include module_name
c) use module_name
d) insert module_name
Answer: a) import module_name
34. Which of the following is the correct syntax for a for loop in Python?
a) for (i = 0; i < 10; i++)
b) for i in range(10):
c) foreach i in range(10)
d) for(i in range(10))
Answer: b) for i in range(10):
35. What is the output of the following code?
a = "123"
b = int(a)
print(b + 1)
a) 124
b) 1231
c) Error
d) 1
Answer: a) 124
36. How do you create a comment in Python?
a) // This is a comment
b) /* This is a comment */
c) # This is a comment
d) <!-- This is a comment -->
Answer: c) # This is a comment
37. What is the output of the following code?
a = [1, 2, 3]
print(len(a))
a) 2
b) 3
c) 4
d) None of the above
Answer: b) 3
38. How do you check the data type of a variable in Python?
a) type()
b) typeof()
c) dtype()
d) dattype()
Answer: a) type()
39. What is the output of the following code?
a = {1, 2, 3}
print(type(a))
a) <class 'list'>
b) <class 'dict'>
c) <class 'tuple'>
d) <class 'set'>
Answer: d) <class 'set'>
40. How do you remove an item from a list in Python?
a) del list[index]
b) list.pop()
c) list.remove(value)
d) All of the above
Answer: d) All of the above
41. What is the output of the following code?
a = [1, 2, 3]
a[0] = 5
print(a)
a) [1, 2, 3]
b) [5, 2, 3]
c) Error
d) None of the above
Answer: b) [5, 2, 3]
42. How do you check if a key exists in a dictionary?
a) if key in dict:
b) if key exists dict:
c) if dict.has_key(key):
d) if key.dict:
Answer: a) if key in dict:
43. What is the output of the following code?
print(4 // 2)
a) 2
b) 2.0
c) 1
d) 0
Answer: a) 2
44. What is the output of the following code?
print(4 / 2)
a) 2
b) 2.0
c) 1
d) 0
Answer: b) 2.0
45. How do you write an infinite loop in Python?
a) while True:
b) while(1):
c) while:
d) while x == x:
Answer: a) while True:
46. What is the output of the following code?
x = None
if x == None:
print("Yes")
a) Yes
b) No
c) Error
d) None of the above
Answer: a) Yes
47. How do you declare a global variable inside a function?
a) Use the global keyword
b) Use the nonlocal keyword
c) Define it normally inside the function
d) Use var keyword
Answer: a) Use the global keyword
48. What is the correct way to concatenate two strings in Python?
a) "Hello" + "World"
b) "Hello".concat("World")
c) join("Hello", "World")
d) "Hello" + join "World"
Answer: a) "Hello" + "World"
49. What is the output of the following code?
x = 10
print(x % 3)
a) 3
b) 1
c) 2
d) 0
Answer: c)
50. What is the output of the following code?
print(type(True))
a) <class 'bool'>
b) <class 'int'>
c) <class 'str'>
d) <class 'none'>
Answer: a) <class 'bool'>
51. What is the output of the following code?
x = 5
y = "5"
print(x == y)
a) True
b) False
c) Error
d) None of the above
Answer: b) False
52. What is the output of the following code?
a = [1, 2, 3, 4]
b = a
b.append(5)
print(a)
a) [1, 2, 3, 4]
b) [1, 2, 3, 4, 5]
c) [5]
d) None of the above
Answer: b) [1, 2, 3, 4, 5]
53. What is the output of the following code?
a = "Hello"
print(a[1:4])
a) Hel
b) Hell
c) ell
d) o
Answer: c) ell
54. What will the following code produce?
for i in range(3):
print(i)
a) 1 2 3
b) 0 1 2
c) 2 1 0
d) None of the above
Answer: b) 0 1 2
55. Which method is used to sort a list in Python?
a) list.sort()
b) sort(list)
c) sort()
d) sorted()
Answer: a) list.sort()
56. What is the output of the following code?
a = 3
b = 5
print(a * b)
a) 8
b) 15
c) Error
d) None of the above
Answer: b) 15
57. How do you get the length of a string in Python?
a) len(string)
b) string.len()
c) length(string)
d) string.length()
Answer: a) len(string)
58. Which of the following data types is mutable in Python?
a) String
b) List
c) Tuple
d) Integer
Answer: b) List
59. What is the output of the following code?
print(10 < 20 and 5 > 3)
a) True
b) False
c) None
d) Error
Answer: a) True
60. Which of the following can be a variable name in Python?
a) var-name
b) var_name
c) var name
d) 1var
Answer: b) var_name
61. How do you declare a multi-line string in Python?
a) Triple quotes (''' or """)
b) Double quotes (" ")
c) Single quotes (' ')
d) Using \n for new line
Answer: a) Triple quotes (''' or """)
62. What is the output of the following code?
a = [1, 2, 3, 4]
print(a[::-1])
a) [4, 3, 2, 1]
b) [1, 2, 3, 4]
c) [4, 1, 3, 2]
d) Error
Answer: a) [4, 3, 2, 1]
63. Which keyword is used for exception handling in Python?
a) try
b) except
c) finally
d) All of the above
Answer: d) All of the above
64. What is the output of the following code?
a = (1, 2, 3, 4)
print(a[2])
a) 1
b) 2
c) 3
d) 4
Answer: c) 3
65. Which function converts an object to a string in Python?
a) str()
b) int()
c) string()
d) to_str()
Answer: a) str()
66. What is the output of the following code?
x = [1, 2, 3]
y = x.copy()
y.append(4)
print(x)
a) [1, 2, 3]
b) [1, 2, 3, 4]
c) [4]
d) None of the above
Answer: a) [1, 2, 3]
67. What is the output of the following code?
x = [1, 2, 3]
x.insert(1, 4)
print(x)
a) [1, 4, 2, 3]
b) [1, 2, 3, 4]
c) [4, 1, 2, 3]
d) [1, 2, 4, 3]
Answer: a) [1, 4, 2, 3]
68. What is the output of the following code?
a = "Hello"
print(a[-1])
a) H
b) o
c) e
d) l
Answer: b) o
69. Which of the following is a valid dictionary declaration?
a) dict = {1: "a", 2: "b"}
b) dict = {1, 2, 3}
c) dict = [1: "a", 2: "b"]
d) dict = (1, 2, 3)
Answer: a) dict = {1: "a", 2: "b"}
70. What is the correct way to open a file for writing in Python?
a) open(file, "w")
b) open(file, "r")
c) open(file, "rw")
d) open(file, "a")
Answer: a) open(file, "w")
71. What is the output of the following code?
x = "123"
y = int(x)
print(y + 1)
a) 1231
b) 124
c) 1
d) Error
Answer: b) 124
72. What is the output of the following code?
x = [1, 2, 3, 4]
print(x[1:])
a) [1]
b) [2, 3, 4]
c) [1, 2]
d) [1, 2, 3, 4]
Answer: b) [2, 3, 4]
73. How do you create a tuple in Python?
a) (1, 2, 3)
b) [1, 2, 3]
c) {1, 2, 3}
d) tuple(1, 2, 3)
Answer: a) (1, 2, 3)
74. Which of the following is not a built-in function in Python?
a) max()
b) print()
c) sqrt()
d) len()
Answer: c) sqrt()
75. What is the output of the following code?
a = [1, 2, 3]
b = [4, 5, 6]
print(a + b)
a) [1, 2, 3, 4, 5, 6]
b) [1, 2]
c) Error
d) None of the above
Answer: a) [1, 2, 3, 4, 5, 6]
76. What is the output of the following code?
x = 10
if x > 5:
print("Greater")
else:
print("Lesser")
a) Greater
b) Lesser
c) Error
d) None of the above
Answer: a) Greater
77. How do you get a random number in Python?
a) random()
b) random.randint()
c) random.random()
d) random.range()
Answer: c) random.random()
78. What is the output of the following code?
a = "Python"
print(a[1:4])
a) Pyt
b) yth
c) tho
d) Pyth
Answer: b) yth
79. Which of the following can be used to handle exceptions in Python?
a) try
b) except
c) finally
d) All of the above
Answer: d) All of the above
80. What is the output of the following code?
a = [1, 2, 3, 4]
b = a[::-1]
print(b)
a) [4, 3, 2, 1]
b) [1, 2, 3, 4]
c) [1, 2]
d) Error
Answer: a) [4, 3, 2, 1]
81. What does the is keyword compare in Python?
a) Value of two variables
b) Memory location of two objects
c) Types of two variables
d) None of the above
Answer: b) Memory location of two objects
82. Which of the following methods can be used to read the contents of a file in Python?
a) read()
b) readline()
c) readlines()
d) All of the above
Answer: d) All of the above
83. What is the output of the following code?
x = [1, 2, 3, 4]
print(len(x))
a) 4
b) 3
c) 5
d) Error
Answer: a) 4
84. What is the output of the following code?
a = "Hello"
print(a.lower())
a) hello
b) HELLO
c) Hello
d) hElLo
Answer: a) hello
85. What is the result of the following code?
x = {"apple", "banana", "cherry"}
print(type(x))
a) <class 'list'>
b) <class 'tuple'>
c) <class 'set'>
d) <class 'dict'>
Answer: c) <class 'set'>
86. What is the output of the following code?
x = "Python"
print(x.replace("P", "J"))
a) Python
b) Jython
c) JyJhon
d) None of the above
Answer: b) Jython
87. How do you define a function in Python?
a) def function_name():
b) function function_name():
c) func function_name():
d) define function_name():
Answer: a) def function_name():
88. What is the correct syntax for a lambda function?
a) lambda arguments: expression
b) lambda(arguments): expression
c) function lambda(arguments): expression
d) def lambda(arguments): expression
Answer: a) lambda arguments: expression
89. What is the output of the following code?
print(len("Hello World"))
a) 11
b) 10
c) 12
d) 9
Answer: a) 11
90. How do you convert a string to an integer in Python?
a) int()
b) str()
c) float()
d) None of the above
Answer: a) int()
91. What does the break statement do in Python?
a) Exits the current loop
b) Continues the current loop
c) Stops the program
d) None of the above
Answer: a) Exits the current loop
92. What is the output of the following code?
for i in range(5):
if i == 3:
break
print(i)
a) 0 1 2
b) 0 1 2 3 4
c) 3
d) 1 2 3
Answer: a) 0 1 2
93. How do you create a set in Python?
a) {1, 2, 3}
b) [1, 2, 3]
c) (1, 2, 3)
d) set[1, 2, 3]
Answer: a) {1, 2, 3}
94. What is the output of the following code?
x = "Hello"
print(x[1:3])
a) He
b) ll
c) el
d) lo
Answer: c) el
95. What is the output of the following code?
x = [1, 2, 3]
print(x[0])
a) 1
b) 2
c) 3
d) None
Answer: a) 1
96. What is the correct syntax to check if a key exists in a dictionary?
a) key in dictionary
b) dictionary.key
c) key.exists(dictionary)
d) key.dictionary()
Answer: a) key in dictionary
97. How do you create a list in Python?
a) [1, 2, 3]
b) {1, 2, 3}
c) (1, 2, 3)
d) set[1, 2, 3]
Answer: a) [1, 2, 3]
98. What is the output of the following code?
x = [1, 2, 3, 4]
x.remove(2)
print(x)
a) [1, 2, 3]
b) [1, 3, 4]
c) Error
d) [1, 2, 4]
Answer: b) [1, 3, 4]
99. What is the output of the following code?
print(min(3, 5, 1, 9))
a) 9
b) 5
c) 3
d) 1
Answer: d) 1
100. What is the output of the following code?
x = "abcd"
print(x.upper())
a) abcd
b) ABCD
c) aBCD
d) None of the above
Answer: b) ABCD
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