ask.rb, line 164</span>
164:     <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">option_string</span>
165:       <span class="ruby-identifier">option_list</span>.<span class="ruby-identifier">join</span>(<span class="ruby-value str">' '</span>)
166:     <span class="ruby-keyword kw">end</span></pre>
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