title: How to add multiple values for one key in a dictionary using swift
body: <p>I have been trying to add multiple values for one key in a dictionary.</p>
  
  <p>In objective c we can write like this right:</p>
  
  <pre><code>NSDictionary *mapping = @{@"B": @[@"Bear", @"Buffalo"]};
  </code></pre>
  
  <p>But in Swift how can we write I am trying like this but it is not accessing:</p>
  
  <pre><code>var animalsDic   = ["B": "Bear","Ball",
                  "C": "Cat","Camel"
                  "D": "Dog",
                  "E": "Emu"]
  </code></pre>
  
  <p>Can any one help me out?.</p>