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Task/Middle-three-digits/PicoLisp/middle-three-digits-1.l
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Task/Middle-three-digits/PicoLisp/middle-three-digits-1.l
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@ -0,0 +1,10 @@
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(de middle3digits (N)
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(let (Lst (chop (abs N)) Len (length Lst))
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(tab (10 -2 -30)
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N
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":"
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(cond
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((> 3 Len) "not enough digits")
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((bit? 1 Len)
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(head 3 (nth Lst (/ Len 2))) )
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(T "even number of digits") ) ) ) )
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@ -0,0 +1,3 @@
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(mapc middle3digits
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(123 12345 1234567 987654321 10001 -10001 -123 -100 100 -12345
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1 2 -1 -10 2002 -2002 0 ) )
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