PCAP : Certified Associate in Python Programming : Part 05

PCAP : Certified Associate in Python Programming : Part 05

1. What is the expected behavior of the following code?

   

   • it outputs 3
   • the code is erroneous and it will not execute
   • it outputs 1
   • it outputs 2

   Explanation:

   

2. Which of the following snippets will execute without raising any unhandled exceptions? (Choose two.)

   • 

   • 

   • 

   • 

   Explanation:
   

   

3. What is the expected behavior of the following code?

   

   • it outputs error
   • it outputs <class ‘IndexError’>
   • it outputs list assignment index out of range
   • the code is erroneous and it will not execute
   Explanation:
   

   

4. What is true about the following snippet? (Choose two.)

   

   • the string it’s nice to see you will be seen
   • the string I feel fine will be seen
   • the code will raise an unhandled exception
   • the string what a pity will be seen
   Explanation:
   

   

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

   • ord(“Z”) - ord(“z”) == ord(“0”)

   • chr(ord(‘A’) +1) == ‘B’

   • len(‘\’’) == 1

   • len(“““
     
     ”””) == 0

6. Which of the following invocations are valid? (Choose two.)

   • “python”.sort()

   • sorted(“python”)

   • rfind(“python”,“r”)

   • “python”.index(“th”)

7. What is the expected behavior of the following code?

   

   • it raises an exception
   • it outputs 0
   • it outputs 3
   • it outputs ‘None’
   Explanation:
   

   

8. Which of the following statements are true? (Choose two.)

   • II in ACII stands for Information Interchange
   • a code point is a number assigned to a given character
   • ACII is synonymous with UTF-8
   • \e is an escape sequence used to mark the end of lines
   Explanation:
   Reference: https://www.tutorialsteacher.com/python/ascii-method

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

   • str(1-1) in ‘123456789’[:2]
   • ‘dcb’ not in ‘abcde’[::-1]
   • ‘phd’ in ‘aplpha’
   • ‘True’ not in ‘False’

10. What is the expected behavior of the following code?

    

    • it raises an exception
    • it outputs True
    • it outputs False
    • it outputs nothing
    Explanation:
    

    

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

    • 121 + 1 != ‘1’ + 2 * ‘2’

    • ‘1’ + ‘1’ + ‘1’ < ‘1’ *3’

    • ‘AbC’.lower() < ‘AB’

    • ‘3.14’ != str(3.1415)

12. 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]

    • string[0] == ‘o’
    • string is None
    • len(string) == 3
    • string[0] == string [-1]

13. What is the expected behavior of the following code?

    

    • it outputs 0
    • it outputs 1
    • it raises an exception
    • it outputs 2
    Explanation:
    

    

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

    

    • class Class_4(D,A): pass
    • class Class_3(A,C): pass
    • class Class_2(B,D): pass
    • class Class_1(C,D): pass

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

    

    • True upper
    • True lower
    • False upper
    • False lower
    Explanation:
    

    

16. 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.)

    

    • len(ClassB.__bases__) ==2

    • ClassA.__module__ == ‘__main__’

    • __name__ == ‘code.py’

    • str(Object) == ‘Object’

17. What is the expected behavior of the following code?

    

    • it outputs 1
    • it outputs 3
    • it outputs 6
    • it raises an exception
    Explanation:
    

    

18. What is the expected behavior of the following code?

    

    • it outputs 0
    • it raises an exception
    • it outputs 1
    • it outputs 2
    Explanation:
    

    

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

    • each object of the same class can have a different set of methods
    • a subclass is usually more specialized than its superclass
    • if a real-life object can be described with a set of adjectives, they may reflect a Python object method
    • the same class can be used many times to build a number of objects
    Explanation:
    Reference: https://www.whitman.edu/mathematics/java_tutorial/java/javaOO/subclasses.html

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

    • there can be more than one constructor in a Python class
    • the constructor must return a value other than None
    • the constructor is a method named __init__
    • the constructor must have at least one parameter