London | 25-SDC-July | Rihanna Poursoltani | Sprint 2 | Improve code with precomputing#89
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RihannaP wants to merge 2 commits intoCodeYourFuture:mainfrom
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cjyuan
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Feb 15, 2026
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Code looks good. Can you explain using big-O notation why your approach is better?
cjyuan
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Feb 15, 2026
| if len(strings) < 2: | ||
| return "" | ||
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| strings.sort() |
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strings.sort() can modify the original list passed into the function by the caller.
How can you prevent this side effect?
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