Python Institute Python Institute Certifications PCAP-31-03 Questions & Answers

• Question 11:

  Assuming that the following code has been executed successfully, select the expressions which evaluate to True (Select two answers) A. a is b

  

  B. b( ) > 2

  C. a() > 2

  D. a is not None

  Correct Answer: BCD

• Question 12:

  What is true about Python class constructors? (Choose two.)

  A. there can be more than one constructor in a Python class

  B. the constructor must return a value other than None

  C. the constructor is a method named __init__

  D. the constructor must have at least one parameter

  Correct Answer: AC

  Reference: https://www.geeksforgeeks.org/constructors-in-python/

• Question 13:

  What is the expected output of the following snippet?

  

  A. True False

  B. True True

  C. False False

  D. False True

  Correct Answer: B

• Question 14:

  What is the expected behavior of the following code?

  

  A. the code is erroneus and it will not execute

  B. it outputs [2, 4]

  C. it outputs [4, 2]

  D. it outputs [0, 1, 2, 3, 4]

  Correct Answer: C

• Question 15:

  Which of the following lines of code will work flawlessly when put independently inside the add_new () method in order to make the snippet's output equal to [0, 1, 21 ? (Select two answers)

  

  A. self.queue.append(get_Iast() + 1)

  B. queue.append(self.get last () + 1)

  C. self.queue.append(self.queue[+1]

  D. self.queue.append(self.get last() +1)

  Correct Answer: D

• Question 16:

  Which of the following lines of code will work flawlessly when put independently inside the inc ( ) method in order to make the snippet's output equal to 3? (Select two answers) A. put (self.prop + vaI)

  

  B. self.put (self.get ( ) + vaI)

  C. self.put (get ( ) + vaI)

  D. self.put (self.prop + vaI)

  Correct Answer: BD

• Question 17:

  What is the expected output of the following code?

  

  A. 2

  B. 3

  C. 4

  D. an exception is raised

  Correct Answer: A

• Question 18:

  What is the expected output of the following code?

  def foo(x,y):

  return y(x) + (x+1) print (Foo(1,lambda x: x*x))

  A. 3

  B. 5

  C. 4

  D. an exception is raised

  Correct Answer: A

• Question 19:

  Which of the following expressions evaluate to True? (Select two answers)

  A. ' t '.upper () in 'Thames'

  B. 'in not' in 'not'

  C. 'not' not in 'in'

  D. 'a' not in 'ABC' .lower ()

  Correct Answer: AC

• Question 20:

  Assuming that the code below has been executed successfully, which of the following expressions evaluate to True? (Select two answers)

  

  A. 'var' in Object.__dict__

  B. 'prop' in Class.__dict

  C. len(Object.__diet__) == 1

  D. 'var1 in Class, dict

  Correct Answer: AC