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Pandas Advanced Merging and Joining: Exercises with Solutions and Explanation

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Pandas Advanced Merging and Joining [20 exercises with solution]


1. Write a Pandas program to merge two DataFrames on a single column.
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2. Write a Pandas program to perform an outer join on two DataFrames.
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3. Write a Pandas program that performs a left join of two DataFrames.
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4. Write a Pandas program that performs a right join of two DataFrames.
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5. Write a Pandas program to merge two DataFrames on multiple columns.
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6. Write a Pandas program that merges DataFrames with overlapping column names.
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7. Write a Pandas program to merge two DataFrames on their indexes.
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8. Write a Pandas program to merge different column names in DataFrames.
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9. Write a Pandas program to merge DataFrames with duplicate Keys.
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10. Write a Pandas program to merge multiple DataFrames on a common column.
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11. Write a Pandas program to merge DataFrames using join() on Index.
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12. Write a Pandas program to merge with custom indicator to track source.
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13. Write a Pandas program to merge two DataFrames using multiple keys and specific join conditions.
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14. Write a Pandas program to merge DataFrames using suffixes for overlapping columns.
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15. Write a Pandas program to merge DataFrames with custom sorting.
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16. Write a Pandas program to merge DataFrames and drop duplicates.
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17. Write a Pandas program to merge DataFrames with missing data.
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18. Write a Pandas program to merge DataFrames and rename columns after merge.
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19. Write a Pandas program to merge DataFrames on multiple columns with different names.
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20. Write a Pandas program that merges DataFrames and select specific columns after merge.
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