Series will automatically
align along their indexes. A few examples:</p><pre>s * <span class="num">2</span> == Series(<span class="lit">'a'</span>-&gt;<span class="num">2</span>, <span class="lit">'b'</span>-&gt;<span class="num">4</span>, ... )
s + s.shift(<span class="num">1</span>) == Series(<span class="lit">'a'</span>-&gt;NA, <span class="lit">'b'</span>-&gt;<span class="num">3</span>, <span class="lit">'b'</span>-&gt;<span class="num">5</span>, ...)</pre></div><dl class="paramcmts block"><dt class="tp