title: Replace Pattern matching portion with some other value in python 3
body: <p>I want to replace ROAD with RD</p>
  
  <pre><code>addr = ['100 NORTH MAIN ROAD',
              '100 BROAD ROAD APT.',
              'SAROJINI DEVI ROAD',
              'BROAD AVENUE ROAD']
  </code></pre>
  
  <p>Output</p>
  
  <pre><code>output : ['100 NORTH MAIN RD.',
              '100 BROAD RD. APT.',
              'SAROJINI DEVI RD.',
              'BROAD AVENUE RD.']
  </code></pre>
  
  <p>i tried below mentioned code </p>
  
  <pre><code>new_address=[word.replace("ROAD","RD") for word in addr]
  </code></pre>
  
  <p>but not getting desired output (BROAD is also getting replaces by RD.)</p>
  
  <pre><code>['100 NORTH MAIN RD.', '100 BRD. RD. APT.', 'SAROJINI DEVIRD.', 'BRD. AVENUE RD.']
  </code></pre>