Please generate a ParaView Python script for the following operations.
Read the dataset in the file "disk_out_ref.ex2", and print the number of components and the range of all the variables.
Show a default view of the dataset, colored by the variable Pres.
Create a line plot over all the variables in the dataset, from (0,0,0) to (0,0,10).
Write the values of the line plot in the file "line-plot.csv", and save a screenshot of the line plot in "line-plot-screenshot.png".