| Placeholder Technique |
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| The
Problem: Eliminate single instances |
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| of a string
without removing doubles |
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| Roses are red¿ |
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| ¿ |
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| Violets are blue¿ |
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| ¿ |
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| Searching is fun¿ |
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| ¿ |
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| But doesn’t rhyme¿ |
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| Intended |
