Python - Things to know before proceed - Variable Quiz

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