Quiz Time
Python

• 1] yes
• 2] no
• 3] machine dependent
• 4] none of the mentioned

• 1] 31 characters
• 2] 63 characters
• 3] 79 characters
• 4] none of the mentioned

• 1] _a = 1
• 2] __a = 1
• 3] __str__ = 1
• 4] none of the mentioned

• 1] my_string_1
• 2] 1st_string
• 3] foo
• 4] _

• 1] they are used to indicate a private variables of a class
• 2] they confuse the interpreter
• 3] they are used to indicate global variables
• 4] they slow down execution

• 1] eval
• 2] assert
• 3] nonlocal
• 4] pass

• 1] lower case
• 2] UPPER CASE
• 3] Capitalized
• 4] None of the mentioned

• 1] unlimited length
• 2] all private members must have leading and trailing underscores
• 3] underscore and ampersand are the only two special characters allowed
• 4] none of the mentioned

Which of the following is an invalid statement?

• 1] abc = 1,000,000
• 2] a b c = 1000 2000 3000
• 3] a,b,c = 1000, 2000, 3000
• 4] a_b_c = 1,000,000

• 1] __init__
• 2] in
• 3] it
• 4] on

What is the output of print 0.1 + 0.2 == 0.3?

• 1] True
• 2] False
• 3] Machine dependent
• 4] Error

Which of the following is not a complex number?

• 1] k = 2 + 3j
• 2] k = complex(2, 3)
• 3] k = 2 + 3l
• 4] k = 2 + 3J

What is the type of inf?

• 1] Boolean
• 2] Integer
• 3] Float
• 4] Complex

What does ~4 evaluate to?

• 1] -5
• 2] -4
• 3] -3
• 4] +3

What does ~~~~~~5 evaluate to?

• 1] +5
• 2] -11
• 3] +11
• 4] -5

Which of the following is incorrect?

• 1] x = 0b101
• 2] x = 0x4f5
• 3] x = 19023
• 4] x = 03964

What is the result of cmp(3, 1)?

• 1] 1
• 2] 0
• 3] True
• 4] False

Which of these in not a core data type?

• 1]

  Lists

• 2]

  Dictionary

• 3]

  Tuples

• 4]

  Class

Given a function that does not return any value, What value is thrown by default when executed in shell.

• 1]

  int

• 2]

  bool

• 3]

  void

• 4]

  None

What will be the output of the following Python code?

>>>str="hello"
>>>str[:2]
>>>

• 1]

  he

• 2]

  olleh

• 3]

  lo

• 4]

  hello

Which of the following will run without errors?

• 1]

  round(45.8)

• 2]

  round(7463.123,2,1)

• 3]

  round()

• 4]

  round(6352.898,2,5)

What is the return type of function id?

• 1]

  int

• 2]

  float

• 3]

  dict

• 4]

  bool

In python we do not specify types, it is directly interpreted by the compiler, so consider the following operation to be performed.

>>>x = 13 ? 2

the objective is to make sure x has an integer value, select all that apply

• 1]

  x = 13 // 2

• 2]

  x = int(13 / 2)

• 3]

  x = 13 % 2

• 4]

  All of the mentioned

What error occurs when you execute the following Python code snippet?

apple = mango

• 1]

  SyntaxError

• 2]

  NameError

• 3]

  ValueError

• 4]

  TypeError

What will be the output of the following Python code snippet?

def example(a):
    a = a + '2'
     a = a*2
    return a
>>>example("hello")

• 1]

  indentation Error

• 2]

  cannot perform mathematical operation on strings

• 3]

  hello2

• 4]

  hello2hello2

What data type is the object below?

L = [1, 23, 'hello', 1]

• 1]

  list

• 2]

  dictionary

• 3]

  array

• 4]

  tuple

In order to store values in terms of key and value we use what core data type.

• 1]

  tuple

• 2]

  list

• 3]

  class

• 4]

  dictionary

Which of the following results in a SyntaxError?

• 1]

   ‘”Once upon a time…”, she said.’

• 2]

  “He said, ‘Yes!'”

• 3]

  ‘3\’

• 4]

   ”’That’s okay”’

The following is displayed by a print function call. Select all of the function calls that result in this output.

tom
dick
harry

• 1]

  print(”’tomdickharry”’)

• 2]

  print('''tom
  \ndick
  \nharry''')

• 3]

  print('tom
  dick
  harry')

• 4]

  print(‘tom\ndick\nharry’)

What is the average value of the following Python code snippet?

>>>grade1 = 80
>>>grade2 = 90
>>>average = (grade1 + grade2) / 2

• 1]

  85.0

• 2]

  85.1

• 3]

  95.0

• 4]

  95.1

What is the return value of trunc()?

• 1]

  int

• 2]

  bool

• 3]

  float

• 4]

  None

Which is the correct operator for power(x^y)?

• 1]

  X^y

• 2]

  X**y

• 3]

  X^^y

• 4]

  None of the mentioned

Which one of these is floor division?

• 1]

  /

• 2]

  %

• 3]

  //

• 4]

  None of the mentioned

What is the order of precedence in python?

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

• 1]

  i,ii,iii,iv,v,vi

• 2]

  ii,i,iii,iv,v,vi

• 3]

  ii,i,iv,iii,v,vi

• 4]

  i,ii,iii,iv,vi,v

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

• 1]

  8

• 2]

  1

• 3]

  0

• 4]

  2

Mathematical operations can be performed on a string.

• 1]

  True

• 2]

  False

Operators with the same precedence are evaluated in which manner?

• 1]

  Left to Right

• 2]

  Right to Left

• 3]

  Can’t say

• 4]

  None of the mentioned

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

• 1]

  23

• 2]

  13

• 3]

  1

• 4]

  3

Which one of the following has the same precedence level?

• 1]

  Addition and Subtraction

• 2]

  Multiplication, Division and Addition

• 3]

  Multiplication, Division, Addition and Subtraction

• 4]

  Addition and Multiplication

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

• 1]

  True

• 2]

  False

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

• 1]

  Exponential

• 2]

  Addition

• 3]

  Parentheses

• 4]

  Multiplication

The value of the expressions 4/(3*(2-1)) and 4/3*(2-1) is the same.

• 1]

  True

• 2]

  False

What will be the value of the following Python expression?

4 + 3 % 5

• 1]

  4

• 2]

  7

• 3]

  2

• 4]

  0

 Evaluate the expression given below if A = 16 and B = 15.

A % B // A

• 1]

  0.0

• 2]

  0

• 3]

  1.0

• 4]

  1

Which of the following operators has its associativity from right to left?

• 1]

  +

• 2]

  //

• 3]

  %

• 4]

  **

What will be the value of x in the following Python expression?

x = int(43.55+2/2)

• 1]

  43

• 2]

  44

• 3]

  22

• 4]

  23

What is the value of the following expression?

2+4.00, 2**4.0

• 1]

  (6.0, 16.0)

• 2]

  (6.00, 16.00)

• 3]

  (6, 16)

• 4]

  (6.00, 16.0)

Which of the following is the truncation division operator?

• 1]

  /

• 2]

  %

• 3]

  //

• 4]

  |

What are the values of the following Python expressions?

 2**(3**2)
 (2**3)**2
 2**3**2

• 1]

  64, 512, 64

• 2]

  512, 512, 512

• 3]

  512, 64, 512

• 4]

  64, 64, 64

What is the value of the following expression?

8/4/2, 8/(4/2)

• 1]

  (1.0, 4.0)

• 2]

  (1.0, 1.0)

• 3]

  (4.0. 1.0)

• 4]

  (4.0, 4.0)

What is the value of the following expression?

float(22//3+3/3)

• 1]

  8

• 2]

  8.0

• 3]

  8.3

• 4]

  8.33

It is not possible for the two’s complement value to be equal to the original value in any case.

• 1]

  True

• 2]

  False

The one’s complement of 110010101 is:

• 1]

  001101010

• 2]

  110010100

• 3]

  110010101

• 4]

  001101011

What will be the output of the following Python code snippet?

X=”hi”
print(“05d”%X)

• 1]

  error

• 2]

  hi000

• 3]

  000hi

• 4]

  00000hi

What will be the output of the following Python expression if x=456?

print("%-06d"%x)

• 1]

  000456

• 2]

  456

• 3]

  456000

• 4]

  error

What will be the output of the following Python expression if X=345?

print(“%06d”%X)

• 1]

  000000345

• 2]

  000345

• 3]

  345000

• 4]

  345000000

Which of the following formatting options can be used in order to add ‘n’ blank spaces after a given string ‘S’?

• 1]

  print(“-ns”%S)

• 2]

  print(“-ns”%S)

• 3]

  print(“%ns”%S)

• 4]

  print(“%-ns”%S)

What will be the output of the following Python expression if X = -122?

print("-%06d"%x)

• 1]

  -00122

• 2]

  –00122

• 3]

  000122

• 4]

  -000122

What will be the output of the following Python expression if the value of x is 34?

print(“%f”%x)

• 1]

  34.00000000

• 2]

  34.000000

• 3]

  34.0000

• 4]

  34.00

What will be the output of the following Python expression if x=56.236?

print("%.2f"%x)

• 1]

  0056.236

• 2]

  56.23

• 3]

  56.24

• 4]

  56.00

What will be the output of the following Python expression if x=22.19?

print("%5.2f"%x)

• 1]

  22.20

• 2]

  22.19

• 3]

  22.00000

• 4]

  22.1900

The expression shown below results in an error.

print("-%5d0",989)

• 1]

  True

• 2]

  False

Bitwise _________ gives 1 if either of the bits is 1 and 0 when both of the bits are 1.

• 1]

  OR

• 2]

  AND

• 3]

  XOR

• 4]

  NOT

What will be the output of the following Python expression?

4^12

• 1]

  2

• 2]

  4

• 3]

  8

• 4]

  12

Any odd number on being AND-ed with ________ always gives 1. Hint: Any even number on being AND-ed with this value always gives 0.

• 1]

  10

• 2]

  2

• 3]

  1

• 4]

  0

What will be the value of the following Python expression?

 bin(10-2)+bin(12^4)

• 1]

  0b10000b1000

• 2]

  0b1000b1000

• 3]

  0b10001000

• 4]

  0b10000

Which of the following expressions can be used to multiply a given number ‘a’ by 4?

• 1]

  a>>4

• 2]

  a>>2

• 3]

  a<<4

• 4]

  a<<2

What will be the output of the following Python code if a=10 and b =20?

a=10
b=20
a=a^b
b=a^b
a=a^b
print(a,b)

• 1]

  20 20

• 2]

  20 10

• 3]

  10 10

• 4]

  10 20

What is the two’s complement of -44?

• 1]

  10110011

• 2]

  11101011

• 3]

  11010100

• 4]

  1011011

What will be the output of the following Python expression?

~100?

• 1]

  -100

• 2]

  100

• 3]

  -101

• 4]

  101

What will be the output of the following Python expression?

print(4.00/(2.0+2.0))

• 1]

  1

• 2]

  1.00

• 3]

  1.0

• 4]

  Error

What will be the value of X in the following Python expression?

X = 2+9*((3*12)-8)/10

• 1]

  27.2

• 2]

  28.4

• 3]

  30.8

• 4]

  30.0

Which of the following expressions involves coercion when evaluated in Python?

• 1]

  3.4 + 4.6

• 2]

  1.7 % 2

• 3]

  7.9 * 6.3

• 4]

  4.7 – 1.5

What will be the output of the following Python expression?

24//6%3, 24//4//2

• 1]

  (3,1)

• 2]

  (1,0)

• 3]

  (0,3)

• 4]

  (1,3)

Which among the following list of operators has the highest precedence?

 +, -, **, %, /, <<, >>, |

• 1]

  %

• 2]

  |

• 3]

  **

• 4]

  <<, >>

What will be the value of the following Python expression?

float(4+int(2.39)%2)

• 1]

  4

• 2]

  4.0

• 3]

  5

• 4]

  5.0

Which of the following expressions is an example of type conversion?

• 1]

  3 + 7

• 2]

  5.0 + 3

• 3]

  5.3 + 6.3

• 4]

  4.0 + float(3)

Which of the following expressions results in an error?

• 1]

  int(’10.8’)

• 2]

  float(’10.8’)

• 3]

  int(‘10’)

• 4]

  float(‘10’)

What will be the value of the following Python expression?

4+2**5//10

• 1]

  0

• 2]

  77

• 3]

  7

• 4]

  3

The expression 2**2**3 is evaluates as: (2**2)**3.

• 1]

  True

• 2]

  False

What will be the output of the following Python code snippet?

bool(‘False’)
bool()

• 1]

  True
  True

• 2]

  False
  True

• 3]

  True
  False

• 4]

  False
  False

What will be the output of the following Python code snippet?

['hello', 'morning'][bool('')]

• 1]

  morning

• 2]

  hello

• 3]

  no output

• 4]

  error

What will be the output of the following Python code snippet?

not(3>4)
not(1&1)

• 1]

  True
  True

• 2]

  True
  False

• 3]

  False
  True

• 4]

  False
  False

What will be the output of the following Python code?

['f', 't'][bool('spam')]

• 1]

  Error

• 2]

  No output

• 3]

  f

• 4]

  t

What will be the output of the following Python code?

l=[1, 0, 2, 0, 'hello', '', []]
list(filter(bool, l))

• 1]

  [1, 2, ‘hello’]

• 2]

  [1, 0, 2, ‘hello’, ”, []]

• 3]

  [1, 0, 2, 0, ‘hello’, ”, []]

• 4]

  Error

What will be the output of the following Python code?

class Truth:
	pass
x=Truth()
bool(x)

• 1]

  error

• 2]

  false

• 3]

  true

• 4]

  pass

What will be the output of the following Python code?

if (9 < 0) and (0 < -9):
    print("hello")
elif (9 > 0) or False:
    print("good")
else:
    print("bad")

• 1]

  bad

• 2]

  good

• 3]

  hello

• 4]

  error

Which of the following Boolean expressions is not logically equivalent to the other three?

• 1]

  not(-6>10 or-6==10)

• 2]

  not(-6<10 or-6==10)

• 3]

  -6>=0 and -6<=10

• 4]

  not(-6<0 or-6>10)

What will be the output of the following Python code snippet?

not(10<20) and not(10>30)

• 1]

  Error

• 2]

  No output

• 3]

  True

• 4]

  False

What will be the output of the following Python code snippet if x=1?

x<<2

• 1]

  4

• 2]

  2

• 3]

  1

• 4]

  8

What will be the output of the following Python expression?

bin(29)

• 1]

  ‘0b11011’

• 2]

  ‘0b11111’

• 3]

  ‘0b11101’

• 4]

  ‘0b10111’

What will be the value of x in the following Python expression, if the result of that expression is 2?

x>>2

• 1]

  1

• 2]

  2

• 3]

  4

• 4]

  8

What will be the output of the following Python expression?

int(1011)?

• 1]

  1101

• 2]

  13

• 3]

  11

• 4]

  1011

To find the decimal value of 1111, that is 15, we can use the function:

• 1]

  int(‘1111’,2)

• 2]

  int(1111,2)

• 3]

  int(‘1111’,10)

• 4]

  int(1111,10)

What will be the output of the following Python expression if x=15 and y=12?

x & y

• 1]

  1101

• 2]

  12

• 3]

  0b1101

• 4]

  b1101

Which of the following expressions results in an error?

• 1]

  int(‘1011’)

• 2]

  int(1011,2)

• 3]

  int(‘1011’,23)

• 4]

  int(1011)

Which of the following represents the bitwise XOR operator?

• 1]

  !

• 2]

  |

• 3]

  ^

• 4]

  &

What is the value of the following Python expression?

bin(0x8)

• 1]

  ‘0b1000’

• 2]

  1000

• 3]

  8

• 4]

  ‘0bx1000’

What will be the output of the following Python expression?

0x35 | 0x75

• 1]

  118

• 2]

  117

• 3]

  119

• 4]

  116