Concatenate in Python
From the Pandas cheat sheet · Combine Data · verified Aug 2026
Concatenate
Stack rows or align objects by columns.
python
all_rows = pd.concat([january, february], ignore_index=True)📌 axis="index" stacks rows by default
💡 ignore_index creates a fresh row index
🔍 keys records each object source
⚠️ Column labels align and may create missing data
concatcombinealignment
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