plt ylabel("temperature ( )"fontsize= plt tick_params(axis='both'which='major'labelsize= plt show(we create two empty lists to store the dates and high temperatures from the file we then convert the data containing the date information (row[ ]to datetime object and append it to dates we pass the dates and the high temperature values to plot(at the call to fig autofmt_xdate(at draws the date labels diagonally to prevent them from overlapping figure - shows the improved graph figure - the graph is more meaningful now that it has dates on the -axis plotting longer timeframe with our graph set uplet' add more data to get more complete picture of the weather in sitka copy the file sitka_weather_ csvwhich contains full year' worth of weather underground data for sitkato the folder where you're storing this programs now we can generate graph for the entire year' weatherhighs_lows py --snip-get dates and high temperatures from file filename 'sitka_weather_ csvwith open(filenameas --snip-format plot plt title("daily high temperatures "fontsize= plt xlabel(''fontsize= --snip-