Middle three digits: Difference between revisions
Content added Content deleted
(→{{header|Python}}: Added sub-headings, updated primitives, refactored test.) |
(→Python - Composition of pure functions: Defined output header, updated output, reformatted test.) |
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def bracketed(x): |
def bracketed(x): |
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return '(' + str(x) + ')' |
return '(' + str(x) + ')' |
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| ⚫ | |||
print( |
print( |
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tabulated(' |
tabulated('Middle three digits, where defined:\n')( |
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either(bracketed)(str)) |
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(mid3digits)([ |
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123, 12345, 1234567, 987654321, 10001, -10001, -123, |
123, 12345, 1234567, 987654321, 10001, -10001, -123, |
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-100, 100, -12345, 1, 2, -1, -10, 2002, -2002, 0 |
-100, 100, -12345, 1, 2, -1, -10, 2002, -2002, 0 |
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def go(fShow, f, xs): |
def go(fShow, f, xs): |
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w = max(map(compose(len)(str), xs)) |
w = max(map(compose(len)(str), xs)) |
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return s + ' |
return s + '\n' + '\n'.join( |
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[str(x).rjust(w, ' ') + ' -> ' + fShow(f(x)) for x in xs] |
[str(x).rjust(w, ' ') + ' -> ' + fShow(f(x)) for x in xs] |
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) |
) |
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main()</lang> |
main()</lang> |
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{{Out}} |
{{Out}} |
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<pre> |
<pre>Middle three digits, where defined: |
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| ⚫ | |||
12345 -> 234 |
12345 -> 234 |
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1234567 -> 345 |
1234567 -> 345 |
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