class ContohAbstrak(object):
	def __init__(self):
		raise Exception("Kelas tidak dapat " + "diintansiasi")
	obj = ContohAbstrak()
Traceback (most recent call last):
	File "<pyshell#3>", line 1, in <module>
		obj = ContohAbstrak()
	File "D:/Praktikum/Pemprograman lanjut/
