Sharpen your data skills with weekly Pandas challenges
Each week, get hands-on data analysis exercises
that sharpen your skills using real datasets —
plus detailed solutions the next day to help you master concepts fast.
• Practice with pivot tables, multi-indexes, and PyArrow
• Get unstuck fast with Thursday walkthroughs + Jupyter notebooks
• Build real skills — not toy examples
Written by Reuven M. Lerner • A LernerPython product
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Latest issues
Bamboo Weekly #193: World economic outlook
Get better at: Excel files, plotting with Plotly, Marimo widgets, window functions, and sorting.
Bamboo Weekly #192: Nobel Prize winners (solutions)
Get better at: Using Polars, working with APIs, handling JSON, cleaning, grouping, and plotting with Plotly.
Pandas office hours — Thursday (today!), October 15th
Join me for office hours, where you can ask any questions you have about Pandas!
Bamboo Weekly #192: Nobel Prize winners
Get better at: Using Polars, working with APIs, handling JSON, cleaning, grouping, and plotting with Plotly.
Bamboo Weekly #191: Election financing (solutions)
Get better at: Agentic coding and plotting with plotly
Bamboo Weekly #191: Election financing
Get better at: Agentic coding and plotting with plotly
Bamboo Weekly #190: Data centers (solutions)
Get better at: Agentic coding and plotting with plotly
Bamboo Weekly #190: Data centers — update
Bamboo Weekly #190: Data centers
Get better at: Agentic coding and plotting with plotly
Bamboo Weekly #189: AI security incidents (solutions)
Get better at: Working with BSON files, JSON, grouping, plotting, joins, dates and times
Bamboo Weekly #189: AI security incidents
Get better at: Working with BSON files, JSON, grouping, plotting, joins, dates and times