What purpose does the "path" variable serve in the below code?import pandas as pd path $=../$data$/$segments$.$csv$"$seg $=$ pd$.$read$\_$csv$($path$)$ the path variable creates a new dataframe called 'segments' which can now be populated with dataIt pa$-$vides a path to the data table called 'segments' that can be used later None It creates a chart of data in the segments format