pandas join merge code example
Example 1: pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")
Example 2: how to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_col
Example 3: python dataframe left join
>>> left.merge(right, on='user_id', how='left')