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How to merge tables?
To merge two tables in pandas, you can use the pd.merge() function. The basic syntax is:
pd.merge(left, right, on, how)
where left and right are the two tables to merge, on is the column to merge on, and how is the type of merge to perform.
For example, to merge the two tables df1 and df2 on the column 'key', you can use:
pd.merge(df1, df2, on='key', how='left')
This will return a new DataFrame with all the columns from both tables, and only the rows that match the 'key' column.
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