finallythe format string supports different line stylescharacter description '-'-'':solid line style dashed line style dash-dot line style dotted line style some examples of formatting strings'rred line with default markers and line style ' -green solid line '-dashed line with the default colour and default markers 'yo:yellow dotted line with circle markers scatter graph scatter graph or scatter plot is type of plot where individual values are indicated using cartesian (or and ycoordinates to display values each value is indicated via mark (such as circle or triangleon the graph they can be used to represent values obtained for two different variablesone plotted on the axis and the other plotted on the axis an example of scatter chart with three sets of scatter values is given below