how to create dataframe with two columns code example

Example 1: merge two dataframes based on column

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

df_outer

Example 2: plotting two columns of a dataframe in python

df.plot(x='col_name_1', y='col_name_2', style='o')

Example 3: merge two dataframes based on column

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

df_merge_col