[jira] [Created] (FLINK-19145) Add PyFlink-walkthrough in Flink playground.

[Shang Yuanchun (Jira)]

Shuiqiang Chen created FLINK-19145:
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             Summary: Add PyFlink-walkthrough in Flink playground.
                 Key: FLINK-19145
                 URL: https://issues.apache.org/jira/browse/FLINK-19145
             Project: Flink
          Issue Type: Improvement
          Components: Documentation / Training / Exercises
            Reporter: Shuiqiang Chen
             Fix For: 1.12.0






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