Python Quiz 1

Choose the INVALID identifiers from the following

• NUmbEr1

• 1NUMBer

• A_B

• A&B

Choose the keyword from the following

• IF

• Else

• iF

• else

Examples of String Literals

• "ABC1273"

• nfjdlsj@@$

• 12638

• '7e920938'

Escape sequence is represented by a ____ followed by one or more characters

• Front slash

• Double Quote

• Single Quote

• Back Slash

Size of the string "Ant Man"

str="Red\

block\

a"

Size of str is 11. True/False ?

• True

• False

An escape sequence represents how many characters ?

"\t"

• 3

• 2

• 1

• 4

What is the difference between a variable and a data type in Python?

• A variable is a type of data, while a data type is a specific value in Python.

• A variable is a name that refers to a value, while a data type specifies the type of data that a variable can hold.

• A variable and a data type are the same thing in Python.

• A variable is used for storing data temporarily, while a data type is used for performing operations in Python.

Explain the purpose of a function in Python and give an example.

• The purpose of a function in Python is to display a message on the screen. For example, print('Hello, World!')

• The purpose of a function in Python is to encapsulate a set of instructions that can be called multiple times to perform a specific task. For example, a function to calculate the area of a circle can be defined as follows: def calculate_area(radius): return 3.14 * radius * radius

• The purpose of a function in Python is to define a variable. For example, x = 5

• The purpose of a function in Python is to create a loop. For example, for i in range(5):

How would you add element to an existing list?

• Using a function called append()

• by writing the name of the list and element together

• add_element() function

• A list cannot be further modified.