title: How to remove duplicates from the dictionary if values repeats
body: <p>I have the following list of dict:</p>
  <pre><code>test = [ { 'id': '195', 'Name': 'i', 'Email': 'chdtn@gmail.com', 'Account': 'Product' }, { 'id': '219', 'Name': 'umar', 'Email': 'ddhi@gmail.com', 'Account': 'Product' }, { 'id': '74', 'Name': 'Are', 'Email': 'ddhit@gmail.com', 'role': 'Tester' }, { 'id': '24', 'Name': 'Mee', 'Email': 'huul@gmail.com', 'role': 'Tester' }, { 'id': '230', 'Name': 'San', 'Email': 'deyan@gmail.com', 'role': 'Tester' }, { 'id': '220', 'Name': 'Sdy', 'Email': 'deyan@gmail.com', 'role': 'Product' }, { 'id': '230', 'Name': 'San', 'Email': 'deyan@gmail.com', 'role': 'Tester' } ] 
  </code></pre>
  <p>I want to remove the dictionary if the email repeats</p>
  <p>Code is below</p>
  <pre><code>[dict(element) for element in {tuple(each.items()) for each in test }]
  </code></pre>
  <p>My code is working only all the keys and values are same. My requirement is delete the duplicates dictionary for the email</p>