Pandas Advanced Merging and Joining: Exercises with Solutions and Explanation
This resource offers a total of 100 Pandas Advanced Merging and Joining problems for practice. It includes 20 main exercises, each accompanied by solutions, detailed explanations, and four related problems.
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1. Merge on Single Column
Write a Pandas program to merge two DataFrames on a single column.
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2. Outer Join Merge
Write a Pandas program to perform an outer join on two DataFrames.
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3. Left Join Merge
Write a Pandas program that performs a left join of two DataFrames.
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4. Right Join Merge
Write a Pandas program that performs a right join of two DataFrames.
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5. Merge on Multiple Columns
Write a Pandas program to merge two DataFrames on multiple columns.
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6. Merge Overlapping Columns
Write a Pandas program that merges DataFrames with overlapping column names.
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7. Merge on Index
Write a Pandas program to merge two DataFrames on their indexes.
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8. Merge Diff Column Names
Write a Pandas program to merge different column names in DataFrames.
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9. Merge Duplicate Keys
Write a Pandas program to merge DataFrames with duplicate Keys.
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10. Merge Multiple DataFrames
Write a Pandas program to merge multiple DataFrames on a common column.
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11. Join on Index
Write a Pandas program to merge DataFrames using join() on Index.
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12. Merge with Indicator
Write a Pandas program to merge with custom indicator to track source.
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13. Merge Multiple Keys with Conditions
Write a Pandas program to merge two DataFrames using multiple keys and specific join conditions.
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14. Merge with Suffixes
Write a Pandas program to merge DataFrames using suffixes for overlapping columns.
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15. Merge with Custom Sorting
Write a Pandas program to merge DataFrames with custom sorting.
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16. Merge and Drop Duplicates
Write a Pandas program to merge DataFrames and drop duplicates.
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17. Merge with Missing Data
Write a Pandas program to merge DataFrames with missing data.
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18. Merge and Rename Columns
Write a Pandas program to merge DataFrames and rename columns after merge.
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19. Merge Multi-Col Diff Names
Write a Pandas program to merge DataFrames on multiple columns with different names.
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20. Merge and Select Columns
Write a Pandas program that merges DataFrames and select specific columns after merge.
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