Odd and square numbers: Difference between revisions

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=={{header|Sidef}}==

<lang ruby>var lo = 100

var hi = 1_000

say gather {

for k in (lo.isqrt .. hi.isqrt) {

take(k**2) if k.is_odd

}

}</lang>

{{out}}

<pre>

[121, 169, 225, 289, 361, 441, 529, 625, 729, 841, 961]