=identifier>World</span><span class=special>()
    &gt;&gt;&gt; </span><span class=identifier>w</span><span class=special>.</span><span class=identifier>set</span><span class=special>(</span><span class=literal>'Ni'</span><span class=special>)
    &gt;&gt;&gt; </span><span class=identifier>w</span><span class=special>.</span><span class=identifier>greet</span><span class=special>()
    </span><span class=literal>'Ni'
    </span><span class=special>&gt;&gt;&gt; </span><span class=identifier>print </span><spa