<!--
  ~  Licensed to the Apache Software Foundation (ASF) under one
  ~  or more contributor license agreements.  See the NOTICE file
  ~  distributed with this work for additional information
  ~  regarding copyright ownership.  The ASF licenses this file
  ~  to you under the Apache License, Version 2.0 (the
  ~  "License"); you may not use this file except in compliance
  ~  with the License.  You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~  Unless required by applicable law or agreed to in writing, software
  ~  distributed under the License is distributed on an "AS IS" BASIS,
  ~  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~  See the License for the specific language governing permissions and
  ~  limitations under the License.
  -->

<html>
<h2>Aggregation - Sum</h2>
<p>
  <b>Kata:</b> Compute the sum of all elements from an input.
</p>
<br>
<div class="hint">
  Use <a href="https://beam.apache.org/releases/pydoc/current/apache_beam.transforms.core.html#apache_beam.transforms.core.CombineGlobally">
  CombineGlobally</a> and Python built-in
  <a href="https://docs.python.org/2/library/functions.html#sum">sum</a>.
</div>
</html>