Hey guys i have a new entry: How do I check if a point having certain coordinate already exists?
I want to plot points on a Cartesian graph, but always to create new object, create a new object and it is not obeying this point with such coordination already exists, I want to make you already have a point with the coordinate P (3,5 ) for example does not create another point of coordinate Q (3,5) because P already has this coordinate Q.