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<PRE STYLE="text-align: center"><FONT SIZE=5 STYLE="font-size: 20pt"><B>Useful   Tips </B></FONT>

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			<PRE STYLE="border: none; padding: 0cm; font-style: normal; text-align: left; text-decoration: none"><FONT COLOR="#000000"><FONT FACE="Thorndale, serif"><FONT SIZE=4 STYLE="font-size: 16pt"><B>Prefer while loop, for loop is  slow</B></FONT></FONT></FONT></PRE>
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			<P><B>Code completion with F4 seems useful</B></P>
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