Comments and Variables in Python Programming

What is the purpose of comments in Python programming?

• Comments in Python programming are used to explain the code logic, make the code more readable, and provide additional information to other developers.

• Comments in Python programming are used to store data

• Comments in Python programming are used to create loops

• Comments in Python programming are used to execute code

How do you denote a single-line comment in Python?

• // This is a single-line comment

• /* This is a single-line comment */

• # This is a single-line comment

• ''' This is a single-line comment '''

What is the symbol used to start a comment in Python?

• !

• //

• /*

• #

Why are comments important in programming?

• Comments provide clarity and context to the code.

• Comments reveal sensitive information about the code.

• Comments are only for experienced programmers and not beginners.

• Comments are unnecessary and slow down the code execution.

What are variables in Python?

• Variables in Python are identifiers that can hold different types of data such as numbers, strings, lists, etc.

• Variables in Python are reserved keywords that cannot be changed

• Variables in Python are used to perform mathematical operations only

• Variables in Python are not necessary for writing code

How do you declare a variable in Python?

• value = variable_name

• variable_name : value

• variable_name = value =

• variable_name = value

What are the rules for naming variables in Python?

• Variable names in Python can only contain letters, numbers, and underscores. They cannot start with a number and cannot be a reserved keyword. Variable names are case-sensitive.

• Variable names in Python can start with a number

• Variable names in Python must be at least 10 characters long

• Variable names in Python can contain special characters like @, $, and %

Can variable names start with a number in Python?

• No

• Yes

• Sometimes

• Maybe

What is the difference between declaring and initializing a variable?

• Declaring a variable is specifying its type and name, while initializing a variable is assigning a value to it.

• Declaring a variable is assigning a type to it, while initializing a variable is specifying its value.

• Declaring a variable is assigning a value to it, while initializing a variable is specifying its type and name.

• Declaring a variable is specifying its value, while initializing a variable is assigning a type to it.

Why is it important to choose meaningful variable names?

• Meaningful variable names are only important for beginners

• Meaningful variable names increase the file size of the code

• Meaningful variable names make the code run faster

• Meaningful variable names improve code readability, understandability, and maintainability.