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<B>FIRST</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>operator</B><P>
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The <em>first</em> operator returns the first element of a 
<A HREF=r37_0302.html>list</A>. 
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syntax: </H3>
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<em>first</em>(&lt;list&gt;) or <em>first</em> &lt;list&gt; 
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&lt;list&gt; must be a non-empty list to avoid an error message. 
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examples: </H3>
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alist := {a,b,c,d}; 

  ALIST := {A,B,C,D} 


first alist; 

  A 


blist := {x,y,{ww,aa,qq},z}; 

  BLIST := {X,Y,{WW,AA,QQ},Z} 


first third blist; 

  WW

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