joining two dataframes in python code example
Example 1: pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")
Example 2: combining 2 dataframes pandas
df_3 = pd.concat([df_1, df_2])
Example 3: how to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_col
Example 4: python dataframe left join
>>> left.merge(right, on='user_id', how='left')
Example 5: how to join two dataframe in pandas based on two column
merged_df = left_df.merge(right_df, how='inner', left_on=["A", "B"], right_on=["A2","B2"])