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DAY 4

Loops


Loops are one of the things that make computers so utterly brilliant: the ability to repeat some simple task billions of times every second.

Of course, what goes in those loops is down to you: you might be adding some numbers, you might be reading some sensor data, or you might be redrawing the screen 120 times a second. As Craig Bruce said, “it’s hardware that makes a machine fast, but it’s software that makes a fast machine slow.”

Today you have eight one-minute videos to watch, and you’ll meet things like for loops, infinite loops, and more. Once you’ve watched each video and gone through any optional extra reading that interested you, there’s a short test to help make sure you’ve understood what was taught.

  1. For loops
  2. While loops
  3. Repeat loops
  4. Exiting loops
  5. Exiting multiple loops
  6. Skipping items
  7. Infinite loops
  8. Looping summary

Have some questions about loops?

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