Ejemplos del manual de usuario 25. Datos diferentes ¿Cual es esta función?

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]]> <question><wirisCasSession><![CDATA[<session lang="es" version="2.0"><library closed="false"><mtext style="color:#ffc800" xml:lang="es">variables</mtext><group><maction actiontype="comment"><comment><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>Genera</mi><mo> </mo><mi>un</mi><mo> </mo><mi>dato</mi></math></comment></maction><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mtable><mtr><mtd><mi>dato</mi><mfenced><mrow/></mfenced><mo> </mo><mo>:</mo><mo>=</mo><mo> </mo></mtd></mtr><mtr><mtd><mo> </mo><mo> </mo><apply><csymbol definitionURL="http://www.wiris.com/XML/csymbol">begin</csymbol><mtable><mtr><mtd><apply><csymbol definitionURL="http://www.wiris.com/XML/csymbol">local</csymbol><mtable 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xmlns="http://www.w3.org/1998/Math/MathML"><mi>Aquí</mi><mo> </mo><mi>se</mi><mo> </mo><mi>debe</mi><mo> </mo><mi>generar</mi><mo> </mo><mi>el</mi><mo> </mo><mi>enunciado</mi><mo>,</mo><mo> </mo><mi>a</mi><mo> </mo><mi>partir</mi><mo> </mo><mi>de</mi><mo> </mo><mi>la</mi><mo> </mo><mi>respuesta</mi><mo> </mo><mi>correcta</mi><mo>.</mo><mo>.</mo><mo>.</mo></math></comment></maction><maction actiontype="comment"><comment><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>Por</mi><mo> </mo><mi>ejemplo</mi><mo>,</mo><mo> </mo><mi>lo</mi><mo> </mo><mi>dibujamos</mi><mo>:</mo></math></comment></maction><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>p</mi><mo>=</mo><mi>dibujar</mi><mfenced><mi>correcta</mi></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command><maction actiontype="comment"><comment><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>Genera</mi><mo> </mo><mi>una</mi><mo> </mo><mi>lista</mi><mo> </mo><mi>de</mi><mo> </mo><mn>5</mn><mo> </mo><mi>datos</mi><mo> </mo><mi>diferentes</mi></math></comment></maction><maction actiontype="comment"><comment><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>El</mi><mo> </mo><mi>primero</mi><mo> </mo><mi>es</mi><mo> </mo><mi>la</mi><mo> </mo><mi>respuesta</mi><mo> </mo><mi>correcta</mi></math></comment></maction><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>L</mi><mo>=</mo><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>correcta</mi></mtd></mtr></mtable></mfenced></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><apply><csymbol definitionURL="http://www.wiris.com/XML/csymbol">for</csymbol><mrow><mi>i</mi><mo> </mo><mi>en</mi><mo> </mo><mn>2</mn><mo>.</mo><mo>.</mo><mn>5</mn></mrow><mtable><mtr><mtd><apply><csymbol definitionURL="http://www.wiris.com/XML/csymbol">local</csymbol><mtable align="top"><mtr><mtd><mi>a</mi></mtd></mtr></mtable></apply></mtd></mtr><mtr><mtd><apply><csymbol definitionURL="http://www.wiris.com/XML/csymbol">repeat</csymbol><mrow><mi>a</mi><mo>=</mo><mi>dato</mi><mfenced><mrow/></mfenced></mrow><mrow><mi>a</mi><mo>∉</mo><mi>L</mi></mrow></apply></mtd></mtr><mtr><mtd><mi>L</mi><mo> </mo><mo>|</mo><mo>=</mo><mo> </mo><mfenced close="}" open="{"><mtable align="center"><mtr><mtd><mi>a</mi></mtd></mtr></mtable></mfenced></mtd></mtr></mtable></apply><mo>;</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>L</mi></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command><maction actiontype="comment"><comment><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>Insertamos</mi><mo> </mo><mi>una</mi><mo> </mo><mi>opción</mi><mo> </mo><mi>abierta</mi></math></comment></maction><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>L</mi><mrow><mi>aleatorio</mi><mfenced><mrow><mn>1</mn><mo>.</mo><mo>.</mo><mn>5</mn></mrow></mfenced></mrow></msub><mo>=</mo><mo>"</mo><mo>[</mo><mi>ninguna</mi><mo> </mo><mi>de</mi><mo> </mo><mi>las</mi><mo> </mo><mi>otras</mi><mo>]</mo><mo>"</mo></math></input></command><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"/></input></command><maction actiontype="comment"><comment><math xmlns="http://www.w3.org/1998/Math/MathML"><mi>Asignamos</mi><mo> </mo><mi>la</mi><mo> </mo><mi>lista</mi><mo> </mo><mi>a</mi><mo> </mo><mi>las</mi><mo> </mo><mi>respuestas</mi></math></comment></maction><command><input><math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="}" open="{"><mtable 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