title: Flatten Dictionary to Comma Delimited List of Set of Key/Value Pairs
body: <p>I have a dictionary such as:</p>
  
  <pre><code> var fields = new Dictionary&lt;string, string&gt;
          {
              {"2", "34"},
              {"4", "45"}
          };
  </code></pre>
  
  <p>And I want to know if there's an easier way than creating a loop ans string builder to essentially create this in the end: "key value, key value, key value"..</p>
  
  <p>So for this dictionary I'd want to flatten it out to a string like this where it's comma seperated between each set and each set has a space between key and value: <code>"2 34, 4 45"</code></p>