Control: With a pencil, artists have more control over the line weight and can easily adjust the pressure to create thick or thin lines. Portability: Pencils are lightweight and compact, making them convenient for sketching on location or while traveling.

The best pencils for drawing and sketching are a HB, 2B, 6B and 9B. Far better than buying a whole set of pencils, most of which will never be used.

A data structure is a storage format that defines the way data is stored, organized, and manipulated.

OOPs stands for Object-Oriented Programming System, a paradigm that provides concepts such as objects, classes, and inheritance.