XML/XSLT stylesheet/for loop

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Put a for loop into string-join function

   <source lang="xml">

<?xml version="1.0" encoding="utf-8"?> <xsl:stylesheet version="2.0"

 xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
 <xsl:template match="/">
   <html>
     <body>
       <xsl:value-of
         select="string-join((for $i in 1 to 3 return string($i * $i)), " => ")" />
       
</body> </html> </xsl:template>

</xsl:stylesheet> Output: <html>

  <body>1 => 4 => 9
</body>

</html>

</source>