Python Variables and Data Types

1.		Which of the following is not a valid Python variable name?

my_variable

myVariable

1variable

_variable

2.		What is the result of the expression "Hello" + "World" in Python?

HelloWorld

Hello World

Hello+"World"

None of the above

3.		What is the output of the following code? num = 5 print(type(num))

5

'5'

int

str

4.		Which of the following is not a valid Python data type?

Complex

Byte

Long

Double

5.		What is the data type of the variable "x" in the following statement: x = 5.0?

Integer

Float

String

Boolean

6.		Which of the following data types is immutable?

List

Dictionary

Tuple

Set

7.		Which of the following is not a valid variable name in Python?

my_variable

123variable

_my_variable

myVariable

8.		What is the value of x after the following code is executed: x = 10 % 3

1

2

3

4

9.		What is the result of the expression 10 % 3 in Python?

3.3333

3

1

0.3333

10.		What is the result of the expression 4 + 5.0 in Python?

9

9

Error

None of the above