mpl_squares py import matplotlib pyplot as plt squares [ plt plot(squareslinewidth= set chart title and label axes plt title("square numbers"fontsize= plt xlabel("value"fontsize= plt ylabel("square of value"fontsize= set size of tick labels plt tick_params(axis='both'labelsize= plt show(the linewidth parameter at controls the thickness of the line that plot(generates the title(function at sets title for the chart the fontsize parameterswhich appear repeatedly throughout the codecontrol the size of the text on the chart the xlabel(and ylabel(functions allow you to set title for each of the axes wand the function tick_params(styles the tick marks the arguments shown here affect the tick marks on both the xand -axes (axes='both'and set the font size of the tick mark labels to (labelsize= as you can see in figure - the resulting chart is much easier to read the label type is biggerand the line graph is thicker figure - the chart is much easier to read now generating data