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Combining text and variables in Python Pro Preview

In this tutorial, you will learn how to combine text and variables in Python to create messages that can change while your program is running. This is useful for displaying scores, names, levels, or any other information that updates dynamically, without needing to store the entire message in a separate variable first.

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  • #2600
  • 12 Mar 2026

Python allows you to build strings from smaller pieces. You can combine fixed text (such as "Score: ") with variables (such as score) by using the "+" symbol.

Example:

from hub import light_matrix
import runloop

score = 10

async def main():
    # Display the score
    message = "The score is: " + str(score)
    light_matrix.write(message)

runloop.run(main())

Here is what happens:

  • "The score is: " is fixed text.

  • str(score) converts the number into text so it can be combined with the message.

  • The final result becomes "The score is: 10".

You can also combine the text and variable directly inside the brackets.

from hub import light_matrix
import runloop

score = 10

async def main():
    # Display the score
    light_matrix.write("The score is: " + str(score))

runloop.run(main())