Object Oriented Programming

Create a class called Colour.

It will use rgb values that will default to $0,0,0.$

Besides the constructor, write the following methods:

repr

should allow the colour to be printed like this Colour $(213,145,87)$

mod$\_$red which takes a factor to add to $r$ value

this factor may be positive or negative and will be added to the $r$ value

make sure that this takes into account that $r$ value must be in the range $0-255$

override the addition $\text{'})$ operator

takes another colour $($make sure of that it is a colour$)$ and adds the $r,g,b$ values of the two colours

make sure that this takes into account that $r,g,b$ values must be in the range $0-255$