Quiz Discussion

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 snippet if x=1?

x<<2

• 1]

  4

• 2]

  2

• 3]

  1

• 4]

  8

Which of the following represents the bitwise XOR operator?

• 1]

  !

• 2]

  |

• 3]

  ^

• 4]

  &

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

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 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

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?

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 is the two’s complement of -44?

• 1]

  10110011

• 2]

  11101011

• 3]

  11010100

• 4]

  1011011

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

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

• 1]

  morning

• 2]

  hello

• 3]

  no output

• 4]

  error