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Lesson 14 of 20 · Sequences & Order
Sequences & Order — Part 3
Learn that order matters. Put steps in the right order. This is part 3 of 20.
What you'll learn
You will learn that code runs top to bottom in order, and that changing the order changes the result.
Steps
- 1Read the code above. Notice how each print() is on its own line — the computer reads them top to bottom, one after another.
- 2The output would be: Step 1, Step 2, Step 3, Done! — in that exact order. The order of lines decides the order of output.
- 3Imagine swapping Step 2 and Step 3. The output would change! In a sequence, order matters.
- 4A sequence is a list of instructions in order. Every program is built from sequences. You just learned the most basic building block of coding!
Key Terms
- Sequence
- A list of steps that happen one after another in order.
- Order
- The sequence in which steps run. Changing the order can change the result.
- print()
- A command that shows a message on the screen.
Python 3
Output
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