Assessment Exam 2

Assessment Exam 2:

1. Is Python case sensitive when dealing with identifiers?
a) yes
b) no
c) machine dependent
d) none of the mentioned

2. What is the maximum possible length of an identifier?
a) 31 characters
b) 63 characters
c) 79 characters
d) none of the mentioned

3. Which of the following is invalid?
a) _a = 1
b) __a = 1
c) __str__ = 1
d) none of the mentioned

4. Which of the following is an invalid variable?
a) my_string_1
b) 1st_string
c) raj
d) _123

5. What is object reference in Python?
a) Which is used to refer to the object (data)
b) It is a data type
c) which holds the data
d) None of the above

6. Which of the following is not a keyword?
a) eval
b) assert
c) nonlocal
d) for

7. All keywords in Python are in

a) lower case
b) UPPER CASE
c) Capitalized
d) None of the mentioned

8. Which of the following is true for variable names in Python?
a) unlimited length
b) all private members must have leading and trailing underscores
c) underscore and ampersand are the only two special characters allowed
d) none of the mentioned

9. Which of the following is an invalid statement?
a) abc = 1,000,000
b) a b c = 1000 2000 3000
c) a,b,c = 1000, 2000, 3000
d) a_b_c = 1,000,000

10. How to write multiple comment lines in Python
a) “””this is a valid comment line”””
b) “”this is a valid comment line””
c) #this is a valid comment line
d) All of the above

Next: Data types

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