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Lesson 16 of 26 · about 18 min

Grids and images

A list of lists makes a grid. A digital image is exactly that, a grid of pixels, so with two nested loops you can write your own photo filters.

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This lesson is part of the DoingCamp Pass. Members get every lesson in every course, with all the interactive visuals, coding exercises and challenges.

In this lesson you'll learn:

  • 2D list (grid)
  • Visiting every cell

Free to try in F02 Programming 1: Thinking in Steps:

The first 3 lessons of every course are free, no account needed.