concat() function does all of the heavy liftings of performing concatenation operations along an axis while performing optional set logic (union or intersection) of the indexes (if any) on the other axes.
The concat() function combines data frames in one of two ways:
- Stacked: Axis = 0 (This is the default option).
- Side by Side: Axis = 1
Steps to Union Pandas DataFrames using Concat:
- Create the first DataFrame
- Create the second DataFrame
- Union Pandas DataFrames using Concat
Note: You’ll need to keep the same column names across all the DataFrames to avoid any ‘NaN’ values.
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