Python Institute PCAP-31-03 Online Practice Questions and Exam Preparation

Python Institute PCAP-31-03 Online Questions & Answers

• Question 71:

  Which of the following expressions evaluate to True? (Choose two.)

  A. str(1-1) in `123456789'[:2]
  B. `dcb' not in `abcde'[::-1]
  C. `phd' in `aplpha'
  D. `True' not in `False'
  B. `dcb' not in `abcde'[::-1]
  D. `True' not in `False'

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  Explanation

• Question 72:

  What is the expected output of the following snippet?

  

  A. True lower
  B. True upper
  C. False upper
  D. False lower
  B. True upper

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  Explanation

• Question 73:

  What is true about Object-Oriented Programming in Python? (Select two answers)

  A. encapsulation allows you to protect some data from uncontrolled access
  B. the arrows on a class diagram are always directed from a superclass towards its subclass
  C. inheritance is the relation between a superclass and a subclass
  D. an object is a recipe for a class
  A. encapsulation allows you to protect some data from uncontrolled access
  C. inheritance is the relation between a superclass and a subclass

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  Explanation

• Question 74:

  What will be the value of the i variable when the while e loop finishes its execution?

  

  A. 1
  C. 2
  D. the variable becomes unavailable
  A. 1

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  Explanation

  

• Question 75:

  A method for passing the arguments used by the following snippet is called:

  

  A. sequential
  B. named
  C. positional
  D. keyword
  C. positional

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  Explanation

• Question 76:

  What is the expected output of the following code if the file named existing_text_file is a non-zero length text file located inside the working directory?

  

  A. the length of the first line from the file
  B. -1
  C. the number of lines contained inside the file
  D. the length of the last line from the file
  C. the number of lines contained inside the file

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  Explanation

• Question 77:

  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
  A. class Class_4(D,A): pass
  D. class Class_1(C,D): pass

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  Explanation

• Question 78:

  A variable stored separately in every object is called:

  A. there are no such variables, all variables are shared among objects
  B. a class variable
  C. an object variable
  D. an instance variable
  D. an instance variable

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  Explanation

• Question 79:

  Which of the following statements are true? (Select two answers)

  A. Python strings are actually lists
  B. Python strings can be concatenated
  C. Python strings can be sliced like lists
  D. Python strings are mutable
  B. Python strings can be concatenated
  C. Python strings can be sliced like lists

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  Explanation

  https://docs.python.org/2/tutorial/introduction.html

• Question 80:

  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
  B. a subclass is usually more specialized than its superclass
  D. the same class can be used many times to build a number of objects

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  Explanation