Shuiqiang Chen created FLINK-19145:
--------------------------------------
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-- This message was sent by Atlassian Jira (v8.3.4#803005)
