python melt code example
Example: how to unpivot dataframe pandas
df_unpivoted = df.melt(id_vars=['car_model'], var_name='date', value_name='0-60mph_in_seconds')
df_unpivoted
df_unpivoted = df.melt(id_vars=['car_model'], var_name='date', value_name='0-60mph_in_seconds')
df_unpivoted