">mpairs</span><span class="Punctuation">:</span>
  <span class="Keyword">if</span> <span class="Identifier">key</span> <span class="Operator">==</span> <span class="StringLit">&quot;foo&quot;</span><span class="Punctuation">:</span>
    <span class="Identifier">value</span> <span class="Operator">=</span> <span class="StringLit">&quot;barz&quot;</span>
<span class="Identifier">t</span><span class="Operator">.</span><span class="Identifier">commit</span><span class="Punctuation">(</span><span class="Punctua