What is the scope of the variable hardness? class pencil:
color = 'yellow'
hardness = 2
class pencilCase:
def __init__(self, color, art):
self. color = 'black'
self. art = 'wolf'
def __str__(self):
return self. color + " " + self. art
# main part of the program
pencilA = pencil()

limited to the pencil class

limited to the main part of the program

accessible to all parts of the program

limited to the pencilCase class