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<h2>ParDo</h2>
<p>ParDo is a Beam transform for generic parallel processing. The ParDo processing paradigm is similar to the
  “Map” phase of a Map/Shuffle/Reduce-style algorithm: a ParDo transform considers each element in the
  input PCollection, performs some processing function (your user code) on that element, and emits
  zero, one, or multiple elements to an output PCollection.</p>
<p>For this task, please write a simple ParDo that maps the input element by multiplying it by 10.</p>
<br>
<br>
<div class='hint'>Use <a href="https://beam.apache.org/releases/javadoc/2.11.0/org/apache/beam/sdk/transforms/ParDo.html">ParDo</a>
  with <a href="https://beam.apache.org/releases/javadoc/2.11.0/org/apache/beam/sdk/transforms/DoFn.html">DoFn</a></div>
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