Question 41
The following class hierarchy is given. What is the expected out of the code?
A. BB
B. CC
C. AA
D. BC
Question 42
Python's built in function named open () tries to open a file and returns:
A. an integer value identifying an opened file
B. an error code (0 means success)
C. a stream object
D. always None
Question 43
Which of the following words can be used as a variable name? (Choose two.)
A. for
B. True
C. true
D. For
Question 44
Python strings can be `glued` together using the operator:
A. .
B. &
C. _
D. +
Question 45
A keyword (Choose two.)
A. can be used as an identifier
B. is defined by Python's lexis
C. is also known as a reserved word
D. cannot be used in the user's code
Question 46
How many stars (*) does the snippet print?
A. the code is erroneous
B. five
C. four
D. two
Question 47
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:
A. c, b, a = b, a, c
B. c, b, a = a, c, b
C. a, b, c = c, a, b
D. a, b, c = a, b, c
Question 48
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 -
A. <<<
B. >>>
C. >>
D. <<
Question 49
How many stars (*) does the following snippet print?
A. the code is erroneous
B. five
C. three
D. four
Question 50
UNICODE is:
A. the name of an operating system
B. a standard for encoding and handling texts
C. the name of a programming language
D. the name of a text processor
