PCAP : Certified Associate in Python Programming : Part 03

PCAP : Certified Associate in Python Programming : Part 03

1. Which of the following words can be used as a variable name? (Choose two.)

   • for
   • True
   • true
   • For

   Explanation:

   Reference: https://www.pluralsight.com/guides/python-basics-variables-assignment

2. Python strings can be “glued” together using the operator:

   • .
   • &
   • _
   • +
   Explanation:
   Reference: https://docs.python.org/3/tutorial/introduction.html

3. A keyword (Choose two.)

   • can be used as an identifier
   • is defined by Python’s lexis
   • is also known as a reserved word
   • cannot be used in the user’s code
   Explanation:
   Reference: https://www.programiz.com/python-programming/keywords-identifier

4. How many stars (*) does the snippet print?

   

   • the code is erroneous
   • five
   • four
   • two

5. Which line can be used instead of the comment to cause the snippet to produce the following expected output? (Choose two.)

   Expected output:
   1 2 3

   Code:

   

   • c, b, a = b, a, c

   • c, b, a = a, c, b

   • a, b, c = c, a, b

   • a, b, c = a, b, c

6. Assuming that the V variable holds an integer value to 2, which of the following operators should be used instead of OPER to make the expression equal to 1?

   V OPER 1

   • <<<
   • >>>
   • >>
   • <<

7. How many stars (*) does the following snippet print?

   

   • the code is erroneous
   • five
   • three
   • four
   Explanation:
   

   

8. UNICODE is:

   • the name of an operating system
   • a standard for encoding and handling texts
   • the name of a programming language
   • the name of a text processor
   Explanation:
   Reference: https://docs.python.org/2/howto/unicode.html

9. What is the expected output of the following snippet?

   

   • *- **-**-**-*
   • *-**-**-**-**-**-**-**-*
   • *-*
   • *-**-*
   Explanation:
   

   

10. Which of the listed actions can be applied to the following tuple? (Choose two.)

    

    • tup [:]
    • tup.append (0)
    • tup [0]
    • del tup

11. Executing the following snippet

    

    will cause the dct:

    • to hold two keys named ‘pi’ linked to 3.14 and 3.1415 respectively

    • to hold two key named ‘pi’ linked to 3.14 and 3.1415

    • to hold one key named ‘pi’ linked to 3.1415

    • to hold two keys named ‘pi’ linked to 3.1415

12. How many elements will the list1 list contain after execution of the following snippet?

    

    • two
    • zero
    • one
    • three

13. Which of the equations are True? (Choose two.)

    • chr (ord (x)) = = x
    • ord (ord (x)) = = x
    • chr (chr (x)) = = x
    • ord (chr (x)) = = x

14. If you want to transform a string into a list of words, what invocation would you use? (Choose two.)

    Expected output:

    

    Code:

    

    • s.split ()

    • split (s, ‘ ‘)

    • s.split (‘ ‘)

    • split (s)

15. Assuming that 1st is a four-element list is there any difference between these two statements?

    

    • yes, there is, the first line empties the list, the second line deletes the list as a whole
    • yes, there is, the first line deletes the list as a whole, the second line just empties the list
    • no, there is no difference
    • yes, there is, the first line deletes the list as a whole, the second line removes all the elements except the first one

16. What should you put instead of XXX to print out the module name?

    

    • main
    • _main_
    • __main__
    • ___main___
    Explanation:
    Reference: https://www.geeksforgeeks.org/__name__-special-variable-python/

17. Files with the suffix .pyc contain:

    • Python 4 source code
    • backups
    • temporary data
    • semi-compiled Python code

18. Package source directories/folders can be:

    • converted into the so-called pypck format
    • packed as a ZIP file and distributed as one file
    • rebuilt to a flat form and distributed as one directory/folder
    • removed as Python compiles them into an internal portable format

19. What can you deduce from the line below? (Choose two.)

    

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

20. A two-parameter lambda function raising its first parameter to the power of the second parameter should be declared as:

    • lambda (x, y) = x ** y

    • lambda (x, y): x ** y

    • def lambda (x, y): return x ** y

    • lambda x, y: x ** y