Python 🐍 Variables

This video tutorial covers the basics of variables in Python, including data types such as integers, floats, strings, and booleans. It explains how to use these variables in expressions, the rules for naming them, and how to convert between types. The tutorial also introduces a project involving temperature control, demonstrating how to apply these concepts practically.

What is the primary purpose of using a floating point number in Python?

• To store text data

• To store numbers with decimal points

• To store true or false values

• To store whole numbers without decimals

In Python, what is the correct way to assign a value to a variable?

• variable: value

• variable <- value

• variable == value

• variable = value

Which of the following is a valid string declaration in Python?

• text = 'Hello World

• text = Hello World'

• text = Hello World

• text = 'Hello World'

What does a Boolean variable represent in Python?

• A number with a decimal

• A whole number

• A true or false value

• A text string

What symbol is used to start a comment in Python?

• //

• #

• /*

Which of the following is NOT allowed in a Python variable name?

• Lowercase letters

• Uppercase letters

• Number at the start

• Underscore

How can you change the type of a variable in Python?

• By using a type conversion function

• By declaring the type explicitly

• By using a special keyword

• By restarting the program

What is the purpose of pseudocode in programming?

• To debug a program

• To outline the logic of a program

• To write code in a different language

• To execute code faster

In the project, what is the target temperature set for the TC lab?

• 0 degrees Celsius

• 99 degrees Celsius

• 50 degrees Celsius

• 37 degrees Celsius

What function is used to connect to the TC lab in the project?

• lab.connect()

• connect()

• TC_lab()

• TC lab.TC lab()

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