sort dataframe by column
df.sort_values(by='col1', ascending=False)
pandas dataframe sort by column
df.sort_values(by=['col1])
pandas order dataframe by column of other dataframe
df1 = df1.set_index('column_in_df1')
df1 = df1.reindex(index=df2['column_in_df2'])
df1 = df1.reset_index()