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

Python Institute PCAP-31-03 Online Questions & Answers

• Question 11:

  A compiler is a program designed to (Select two answers)

  A. rearrange the source code to make it clearer
  B. check the source code in order to see of it's correct
  C. execute the source code
  D. translate the source code into machine code
  B. check the source code in order to see of it's correct
  D. translate the source code into machine code

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  Explanation

• Question 12:

  Which of the following words can be used as a variable name? (Select two valid names)

  A. for
  B. True
  C. true
  D. For
  C. true
  D. For

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  Explanation

• Question 13:

  What can you deduce from the line below? (Select two answers)

  

  A. import a.b.c should be placed before that line
  B. f () is located in subpackage c of subpackage b of package a
  C. the line is incorrect
  D. the function being invoked is called a.b.c.f ()
  A. import a.b.c should be placed before that line
  B. f () is located in subpackage c of subpackage b of package a

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  Explanation

• Question 14:

  If you need a function that does nothing, what would you use instead of XXX? (Select two answers)

  

  A. pass
  B. return
  C. exit
  D. None
  A. pass
  D. None

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  Explanation

  https://www.pythoncentral.io/python-null-equivalent-none/

• Question 15:

  Which of the following expression evaluate to True? (Select two answers) A. Option A

  

  B. Option B

  C. Option C

  D. Option D

  Correct Answer. CD
  CD

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  Explanation

• Question 16:

  The following class definition is given. We want the show () method to invoke the get () method, and then output the value the get () method returns. Which of the invocations should be used instead of XXX?

  

  A. print (get(self))
  B. print (self.get())
  C. print (get())
  D. print (self.get (val))
  B. print (self.get())

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  Explanation

• Question 17:

  Executing the following snippet

  

  will cause the dct:

  A. to hold two keys named `pi' linked to 3.14 and 3.1415 respectively
  B. to hold two key named `pi' linked to 3.14 and 3.1415
  C. to hold one key named `pi' linked to 3.1415
  D. to hold two keys named `pi' linked to 3.1415
  C. to hold one key named `pi' linked to 3.1415

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  Explanation

• Question 18:

  With regards to the directory structure below, select the proper forms of the directives in order to import module_b. (Choose two.)

  

  A. from pyback.upper import module_b
  B. import pyback.upper.module_b
  C. import upper.module_b
  D. import module_b
  A. from pyback.upper import module_b
  C. import upper.module_b

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  Explanation

• Question 19:

  If you want to access an exception object's components and store them in an object called e, you have to use the following form of exception statement:

  A. except Exception (e) :
  B. except e= Exception :
  C. except Exception as e:
  D. such an action is not possible in Python
  C. except Exception as e:

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  Explanation

  https://stackoverflow.com/questions/32613375/python-2-7-exception-handling-syntax

• Question 20:

  There is a stream named s open for writing. What option will you select to write a line to the stream?

  A. s. write ("Hello\n")
  B. write (s, "Hello")
  C. s.writeln ("Hello")
  D. s. writeline ("Hello")
  A. s. write ("Hello\n")

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  Explanation

  https://en.wikibooks.org/wiki/Python_Programming/Input_and_Output