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Coding: follow and repeat instructions
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Learn it A loop repeats the same instruction. Follow it one step at a time and keep track of the number.
Example: Start at 5. Repeat 3 times: add 4.
- After 1st time: 5 + 4 = 9.
- After 2nd time: 9 + 4 = 13.
- After 3rd time: 13 + 4 = 17. (Shortcut: $5 + 3 \times 4 = 17$.)
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