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#Special Methods Instruction

class Book():

def __init__(self,title,author,pages):

self.title = title

self.author = author

self.pages = pages

#Special method that returns strings from class

def __str__(self):

return f"{self.title} by {self.author}"

#Special method that returns length from class

def __len__(self):

return self.pages

#Special method that delete

def __del__(self):

print("A book object has been deleted")

b = Book('Python Rocks','Jose',200)

print(b)

print('{} has {} pages.'.format(b,len(b)))