how to merge two dataframes based on a column code example

Example 1: merge two dataframes based on column

df_outer = pd.merge(df1, df2, on='id', how='outer')

df_outer

Example 2: how to merge two dataframes

df_merge_col = pd.merge(df_row, df3, on='id')

df_merge_col

Example 3: how to merge two column pandas

DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]