title: How to remove quotes " " from a column of a Spark dataframe in pyspark
body: <p>I have a data frame.</p>
  <pre><code>+-------+-----+
  |   Name|  age|
  +-------+-----+
  |  &quot;aaa&quot;|  111|
  |&quot;asasa&quot;| 8888|
  | &quot;2323&quot;|  999|
  |&quot;wewwe&quot;|99999|
  +-------+-----+
  </code></pre>
  <p>I want it to be like :</p>
  <pre><code>+-------+-----+
  |   Name|  age|
  +-------+-----+
  |  aaa  |  111|
  | asasa | 8888|
  | 2323  |  999|
  | wewwe |99999|
  +-------+-----+
  </code></pre>
  <p>How can I achieve this in Spark 2 using pyspark code?</p>
  <p>If any solution, please reply.</p>