Python Institute PCAP PCAP Questions & Answers

• Question 41:

  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: CD

• Question 42:

  Assuming that the following piece of code has been executed successfully, which of the expressions evaluate to True? (Choose two.)

  

  A. isinstance (obj_b,A)

  B. A.VarA == 1

  C. obj_a is obj_aa

  D. B.VarA == 1

  Correct Answer: AC

• Question 43:

  What is true about Object-Oriented Programming in Python? (Choose two.)

  A. each object of the same class can have a different set of methods

  B. a subclass is usually more specialized than its superclass

  C. if a real-life object can be described with a set of adjectives, they may reflect a Python object method

  D. the same class can be used many times to build a number of objects

  Correct Answer: AB

• Question 44:

  What is the expected behavior of the following code?

  

  A. it outputs 1

  B. it outputs 3

  C. it outputs 6

  D. it raises an exception

  Correct Answer: D

• Question 45:

  What is the expected behavior of the following code?

  

  A. it outputs 0

  B. it raises an exception

  C. it outputs 1

  D. it outputs 2

  Correct Answer: A

• Question 46:

  What is the expected output of the following snippet?

  

  A. True upper

  B. True lower

  C. False upper

  D. False lower

  Correct Answer: C

• Question 47:

  Assuming that the code below has been placed inside a file named code.py and executed successfully, which of the following expressions evaluate to True? (Choose two.)

  

  A. len(ClassB.__bases__) ==2

  B. ClassA.__module__ == ‘__main__’

  C. __name__ == ‘code.py’

  D. str(Object) == ‘Object’

  Correct Answer: BD

• Question 48:

  What is the expected behavior of the following code?

  

  A. it outputs 0

  B. it outputs 1

  C. it raises an exception

  D. it outputs 2

  Correct Answer: C

• Question 49:

  Assuming that the following inheritance set is in force, which of the following classes are declared properly? (Choose two.)

  

  A. class Class_4(D,A): pass

  B. class Class_3(A,C): pass

  C. class Class_2(B,D): pass

  D. class Class_1(C,D): pass

  Correct Answer: AD

• Question 50:

  Assuming that the snippet below has been executed successfully, which of the following expressions

  evaluate to True? (Choose two.)

  string = ‘python’[::2]

  string = string[-1] + string[-2]

  A. string[0] == ‘o’

  B. string is None

  C. len(string) == 3

  D. string[0] == string [-1]

  Correct Answer: BC