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Trace the loop
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
What does this program show? Then say how many numbers range(4, 10) makes.
Need a reminder? The key ideaShow
range(a, b) makes b minus a numbers.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, compare your working with the solution.
- Round 1:
iis 0, and0 * 2is0. - Round 2:
iis 1, and1 * 2is2. - Round 3:
iis 2, and2 * 2is4.
The program shows 0, 2 and 4.
range(4, 10) makes 10 - 4 = 6 numbers: 4, 5, 6, 7, 8 and 9.
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