Python Data Types and Variables Questions and Answers

Question 1

Which of the following data types is immutable in Python?

Accepted Answer

tuple

Answer

list

Answer

dict

Answer

set

Question 2

What will be the output of the following Python code?

x = 5
y = '10'

print(x + int(y))

Accepted Answer

15

Answer

"510"

Answer

TypeError

Answer

10

Question 3

A programmer is creating a script to store user configurations that should not change during program execution. Which data type is most appropriate for storing a collection of these configuration settings?

Accepted Answer

tuple

Answer

list

Answer

dictionary

Answer

set

Question 4

Which of the following is an invalid variable name in Python?

Accepted Answer

2myVar

Answer

_my_var

Answer

myVar2

Answer

MYVAR

Question 5

Consider the following code snippet:

def my_func():
  x = 10
  print(x)

x = 20
my_func()
print(x)

Accepted Answer

10
20

Answer

20
10

Answer

10
10

Answer

20
20

Question 6

What is the data type of the result of the expression `10 / 4`?

Accepted Answer

float

Answer

int

Answer

tuple

Answer

str