How to join two Pandas DataFrames on multiple columns in Python

Joining two Pandas DataFrames involves appending the data of one DataFrame onto the end of another. How the data of one DataFrame is appended to another depends on several factors, including the content of the DataFrames and the method of merge used.

Solution for How to join two Pandas DataFrames on multiple columns in Python : You can use pandas.DataFrame.merge() to join two pandas.DataFrames Call pandas.DataFrame.merge(right, how=None, left_on=None, right_on=None) with right as the pandas.DataFrame to merge with DataFrame, how set to “inner”, left_on as a list of columns from DataFrame, and right_on as a list of columns from right, to join the two DataFrames.


how-to-join-two-pandas-dataframes-on-multiple-columns-in-python