Python Class Properties using decorators

Use Python Getter Setter.py

class Book(object):
	
	@property
	def title(self):
	    return self._title
	
	@title.setter
	def title(self, value):
	    if value is None or "" == value.strip():
	    	raise ValueError("Title should have proper value!")
			
		self._title = value
		return self._title
	
	
if __name__=='__main__':
	b = Book()
	b.title = "Intro Of Python"
	print b.title