Python MCQ and Answers – Part 10

June 19, 2021 admin

This collection of Python Multiple Choice Questions and Answers (MCQs): Quizzes & Practice Tests with Answer.

1. Which of the following statements will create a list?

A l = list()

B l = []

C l = list([1, 2, 3])

D All the answers are true

2. What is the output of the following code?

class MyClass: 
    def __init__(self, id): 
        self.id = id
        id = 20 
  
o = MyClass(10) 
print o.id

A 20

B 10

C None

D Error

Instantiating the “MyClass” class automatically calls the __init__ method and passes the object as the self parameter. 10 is assigned to the data attribute of the object called id.

3. What is the output, if `set1 = {1, 2, 3}`?

set1.issubset(set1)

A True

B False

C Error

D None of the above

Each set is a subset of itself.

4. What is the output of the following code?

True = False
while True:
    print(True)
    break

A True

B False

C Error

D None

True is a keyword and its value cannot be changed.

5. Suppose `t = (1, 2, 4, 4)`, which of the following statements is incorrect?

A print(max(t))

B print(t[2])

C print(len(t))

D t[2] = 3

Values cannot be changed in case of a tuple, i.e. tuple is immutable.

6. What is the output of the following code?

d = {"alex":30, "bob":35}
d["alex"]

A 30

B 35

C Error

D None

7. What is the output of the following code?

i = 1
while False:
    if i%2 == 0:
        break
    print(i)
    i += 2

A 1

B 1 3 5 7 …

C 2 4 6 8 …

D None of the above

The control does not go into the loop because of “False”.

8. What is the output when we run `list(“hello”)`?

A [‘olleh’]

B [‘llo’]

C [‘hello’]

D [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]

9. What is the output of the following code?

class Point:
  
    def __init__(self, x = 0, y = 0):
      self.x = x
      self.y = y
  
    def __sub__(self, other):
        x = self.x + other.x
        y = self.y + other.y
        return Point(x,y)
        
point1 = Point(30, 40)
point2 = Point(10, 20)
point3 = point1 - point2
print(point3.x, point3.y)

A 20 30

B 40 60

C 10 20

D 20 40

10. What is the output of the following code?

>>>a=("Hello")*3
>>>a

A (‘Hello’,’Hello’,’Hello’)

B The operator * not valid for tuples

C (‘HelloHelloHello’)

D Syntax error

Here (“Hello”) is a string and not a tuple because there is no comma after the element.

1. Which of the following statements will create a list?

2. What is the output of the following code?

3. What is the output, if set1 = {1, 2, 3}?

4. What is the output of the following code?

5. Suppose t = (1, 2, 4, 4), which of the following statements is incorrect?

6. What is the output of the following code?

7. What is the output of the following code?

8. What is the output when we run list(“hello”)?

9. What is the output of the following code?

10. What is the output of the following code?

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