<span class="n">a</span> <span class="o">=</span> <span class="s">"abc"</span> <span class="n">b</span> <span class="o">=</span> <span class="n">a</span> <span class="n">a</span> <span class="o">=</span> <span class="s">"XYZ"</span> <span class="k">print</span><span class="p">(</span><span class="n">b</span><span class="p">)</span> <span class="k">print</span><span class="p">(</span><span class="n">a</span><span class="p">)</span>
<span class="n">In</span> <span class="p">[</span><span class="mi">8</span><span class="p">]:</span> <span class="n">string_1</span> <span class="o">=</span> <span class="s">"EOF"</span> <span class="n">In</span> <span class="p">[</span><span class="mi">9</span><span class="p">]:</span> <span class="n">string_2</span> <span class="o">=</span> <span class="s">"EOF"</span> <span class="n">In</span> <span class="p">[</span><span class="mi">11</span><span class="p">]:</span> <span class="nb">print</span> <span class="s">"address 1: %x"</span> <span class="o">%</span> <span class="nb">id</span><span class="p">(</span><span class="n">string_1</span><span class="p">)</span> <span class="n">address</span> <span class="mi">1</span><span class="p">:</span> <span class="mi">7</span><span class="n">f2517898530</span> <span class="n">In</span> <span class="p">[</span><span class="mi">12</span><span class="p">]:</span> <span class="nb">print</span> <span class="s">"address 2: %x"</span> <span class="o">%</span> <span class="nb">id</span><span class="p">(</span><span class="n">string_2</span><span class="p">)</span> <span class="n">address</span> <span class="mi">2</span><span class="p">:</span> <span class="mi">7</span><span class="n">f2517898530</span>
a = "str" b = "str" a is b
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