pd.dataframe append coloums code example
Example 1: pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")Example 2: join tables pandas
In [88]: result = left.join(right, how='inner')df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")In [88]: result = left.join(right, how='inner')