Quiz Discussion

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

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

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 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 will be the value of the following Python expression?

4 + 3 % 5

• 1]

  4

• 2]

  7

• 3]

  2

• 4]

  0

Mathematical operations can be performed on a string.

• 1]

  True

• 2]

  False

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

• 1]

  Exponential

• 2]

  Addition

• 3]

  Parentheses

• 4]

  Multiplication

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)

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

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

• 1]

  +

• 2]

  //

• 3]

  %

• 4]

  **