Core pandas · Lesson 8 of 10
Renaming and combining
Tidying and joining
The last core skills are renaming columns and combining datasets.
rename(columns={...})gives columns clearer namespd.concat([...])stacks DataFrames on top of each othermerge()joins two DataFrames on a shared column, like a database join
Python
Exercise
Exercise — check your understanding
Two DataFrames, q1 and q2, hold sales for two quarters. Stack them into one DataFrame called year, with the row numbers reset so they run 0, 1, 2, 3.
Solution opens after 2 tries (0 so far)
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