pandas how to merge two dataframes code example

Example 1: merge two dataframes based on column

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

df_outer

Example 2: joins in pandas

pd.merge(product,customer,how='inner',left_on=['Product_ID','Seller_City'],right_on=['Product_ID','City'])

Example 3: how to merge two pandas dataframes on a column

import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')

Example 4: merge two dataframes based on column

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

df_merge_col

Example 5: python dataframe left join

>>> left.merge(right, on='user_id', how='left')