add prefect

README.md

@@ -60,6 +60,7 @@ If you want to received updates of these blogs in your mailbox, you can subscrib
 | How to Strip Outputs and Execute Interactive Code in a Python Script | [link](https://towardsdatascience.com/how-to-strip-outputs-and-execute-interactive-code-in-a-python-script-6d4c5da3beb0) | [link](https://github.com/khuyentran1401/Data-science/blob/master/data_science_tools/strip_interactive_example.py)
 | Pydash: A Kitchen Sink of Missing Python Utilities | [link](https://towardsdatascience.com/pydash-a-bucket-of-missing-python-utilities-5d10365be4fc) | [link](https://github.com/khuyentran1401/Data-science/blob/master/python/pydash.ipynb)
 | 4 pre-commit Plugins to Automate Code Reviewing and Formatting in Python | [link](https://towardsdatascience.com/4-pre-commit-plugins-to-automate-code-reviewing-and-formatting-in-python-c80c6d2e9f5) | [link](https://github.com/khuyentran1401/Data-science/tree/master/productive_tools/precommit_examples)
+| Write Clean Python Code Using Pipes | [link](https://towardsdatascience.com/write-clean-python-code-using-pipes-1239a0f3abf5) | [link](https://deepnote.com/project/Data-science-hxlyJpi-QrKFJziQgoMSmQ/%2FData-science%2Fproductive_tools%2Fpipe.ipynb)
 
 # Tools for Deployment
 
@@ -154,6 +155,7 @@ If you want to received updates of these blogs in your mailbox, you can subscrib
 | Pyvis: Visualize Interactive Network Graphs in Python | [link](https://towardsdatascience.com/pyvis-visualize-interactive-network-graphs-in-python-77e059791f01) | [link](https://github.com/khuyentran1401/Data-science/blob/master/visualization/pyvis_examples/pyvis.ipynb)
 | Build and Analyze Knowledge Graphs with Diffbot | [link](https://towardsdatascience.com/build-and-analyze-knowledge-graphs-with-diffbot-2af83065ade0) 
 | Observe The Friend Paradox in Facebook Data Using Python | [link](https://towardsdatascience.com/observe-the-friend-paradox-in-facebook-data-using-python-314c23fd49e4#44e7-514613b6bd18) | [link](https://github.com/khuyentran1401/Data-science/blob/master/visualization/friend_paradox/facebook_network.ipynb)
+| What skills and backgrounds do data scientists have in common? | [link](https://www.datacamp.com/community/blog/what-skills-and-backgrounds-do-data-scientists-have-in-common) | [link](https://deepnote.com/project/Data-science-hxlyJpi-QrKFJziQgoMSmQ/%2FData-science%2Fvisualization%2Fanalyze_data_science_market%2Fanalyze_data_science_market.ipynb)
 
 
 # Mathematical Programming