PE2 : Python Essentials 2 – Module 2 Test

PE2 : Python Essentials 2 – Module 2 Test

1. The following code:

   print(ord('c') - ord('a'))

   prints:

   • 0
   • 2
   • 3
   • 1

2. The following code:

   print (float("1, 3" ))

   • prints 1, 3
   • raises a ValueError exception
   • prints 1.3
   • prints 13

3. The top-most Python exception is called:

   • TopException
   • Exception
   • BaseException
   • PythonException

4. The following statement:

   assert var == 0

   • is erroneous
   • will stop the program when var != 0
   • has no effect
   • will stop the program when var == 0

5. UNICODE is a standard:

   • used by coders from universities
   • honored by the whole universe
   • like ASCII, but much more expansive
   • for coding floating-point numbers

6. ASCII is:

   • a predefined Python variable name
   • a standard Python module name
   • a character name
   • short for American Standard Code for Information Interchange

7. The following code:

   print(3 * 'abc' +'xyz')

   prints:

   • xyzxyzxyzxyz
   • abcabcxyzxyz
   • abcabcabcxyz
   • abcxyzxyzxyz

8. UTF-8 is:

   • a Python version name
   • the 9th version of the UTF standard
   • a form of encoding Unicode code points
   • a synonym for byte

9.  Entering the try: block implies that:

   • all of the instructions from this block will be executed
   • some of the instructions from this block may not be executed
   • the block will be omitted
   • none of the instructions from this block will be executed

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

    try
         print("5"/0)
    except ArithmeticError:
         print("arith")
    except ZeroDivisionError:
         print("zero")
    except:
         print("some")

    • zero
    • 0
    • some
    • arith

11. The unnamed except: block:

    • must be the first one 
    • can be placed anywhere
    • cannot be used if any named block has been used
    • must be the last one

12. The following code:

    print('Mike' > " Mikey")

    prints:

    • 0
    • 1
    • True
    • False

13. The following code:

    print(chr(ord('z') - 2))

    prints:

    • z
    • y
    • a
    • x

14. The following code:

    x  = '\' '

    print(len(x))

    prints:

    • 3
    • 2
    • 20
    • 1

15. Which of the following are examples of Python built-in concrete exceptions?(Select two answers)

    • ArithemticError
    • IndexError
    • BaseException
    • ImportError