2021-12-29 02:09:51 +00:00
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#lang scheme
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2021-12-29 02:32:43 +00:00
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(define (displayln x)
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(display x)
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(newline))
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2021-12-29 02:09:51 +00:00
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(define (outer)
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2021-12-29 02:32:43 +00:00
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(define x 1)
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2021-12-29 02:09:51 +00:00
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2021-12-29 02:32:43 +00:00
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(define (middle)
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(define (inner)
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(displayln x))
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(displayln 2)
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inner)
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2021-12-29 02:09:51 +00:00
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2021-12-29 02:32:43 +00:00
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(displayln 3)
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middle)
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2021-12-29 02:09:51 +00:00
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(define mid (outer))
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(define in (mid))
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2021-12-29 02:32:43 +00:00
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(in)
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