>
<br />
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<br />
If the aliased object is mutable, 
changes made with one alias affect
the other:
</font><pre><font size="4" color="blue">
&gt;&gt;&gt; b[0] = 17
&gt;&gt;&gt; print a
[17, 2, 3]
</font></pre><font color="black">Although this behavior can be useful, it is error-prone. In general,
it is safer to avoid aliasing when you are working with mutable
objects.<br />
<br />
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<br />
For immutable objects like strings, aliasing is not as muc