merge two dataframes based on a common 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: combining 2 dataframes pandas

df_3 = pd.concat([df_1, df_2])

Example 3: merge two dataframes based on column

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

df_merge_col