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In this tutorial, the focus is on key data manipulation techniques in pandas: merge, join, concat, and append. These concepts are crucial for interviews and real-world data tasks. The tutorial begins with the merge function, comparable to SQL joins. It introduces four types of joins: inner, outer, left, and right. An inner join merges two datasets, retrieving only rows that have common values in a specified key column. The tutorial will further explore these joining methods in detail, emphasizing their importance for efficiently handling datasets in a professional setting.