Exercise $3\mathrm{.}2$

$1.$ Extend the framework so that it is capable of drawing sinusoids using both dashed

lines $($the dashes can be of any length$)$ and dotted lines. This type of extension

$4$

is well supported by the existing design and you should be able to meet these new

requirementssolelybywritingnewlinestyles$$asopposedtomodifyinganyexisting

code.

$2.$ Change the main function to draw sinusoids using these new line styles.