Quiz Discussion

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

• 1]

  True

• 2]

  False

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

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”’

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

Mathematical operations can be performed on a string.

• 1]

  True

• 2]

  False

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

• 1]

  True

• 2]

  False

Which of these in not a core data type?

• 1]

  Lists

• 2]

  Dictionary

• 3]

  Tuples

• 4]

  Class

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 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