Q 1.

Is Python case sensitive when dealing with identifiers?

yes no machine dependent none of the mentioned

Q 2.

What is the maximum possible length of an identifier?

31 characters 63 characters 79 characters none of the mentioned

Q 3.

Which of the following is invalid?

_a = 1 __a = 1 __str__ = 1 none of the mentioned

Q 4.

Which of the following is an invalid variable?

my_string_1 1st_string foo _

Q 5.

Why are local variable names beginning with an underscore discouraged?

they are used to indicate a private variables of a class they confuse the interpreter they are used to indicate global variables they slow down execution

Q 6.

Which of the following is not a keyword?

eval assert nonlocal pass

Q 7.

All keywords in Python are in _________

lower case UPPER CASE Capitalized None of the mentioned

Q 8.

Which of the following is true for variable names in Python?

unlimited length all private members must have leading and trailing underscores underscore and ampersand are the only two special characters allowed none of the mentioned

Q 9.

Which of the following is an invalid statement?

abc = 1,000,000 a b c = 1000 2000 3000 a,b,c = 1000, 2000, 3000 a_b_c = 1,000,000

Q 10.

Which of the following cannot be a variable?

__init__ in it on

Q 11.

Which is the correct operator for power(xy)?

X^y X**y X^^y None of the mentioned

Q 12.

Which one of these is floor division?

/ // % None of the mentioned

Q 13.

What is the order of precedence in python?

i)   Parentheses
ii)  Exponential
iii) Multiplication
iv)  Division
v)   Addition
vi)  Subtraction

i,ii,iii,iv,v,vi ii,i,iii,iv,v,vi ii,i,iv,iii,v,vi i,ii,iii,iv,vi,v

Q 14.

What is the answer to this expression, 22 % 3 is?

7 1 0 5

Q 15.

Mathematical operations can be performed on a string.

True False

Q 16.

Operators with the same precedence are evaluated in which manner?

Left to Right Right to Left Can't say None of the mentioned

Q 17.

What is the output of this expression, 3*1**3?

27 9 3 1

Q 18.

Which one of the following has the same precedence level?

Addition and Subtraction Multiplication, Division and Addition Multiplication, Division, Addition and Subtraction Addition and Multiplication

Q 19.

The expression Int(x) implies that the variable x is converted to integer.

True False

Q 20.

Which one of the following has the highest precedence in the expression?

Exponential Addition Multiplication Parentheses