The Special Protocols Room: Magic Methods and Operator Overloading
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The Special Protocols Room: Magic Methods and Operator Overloading # webdev # coding # programming # softwaredevelopment Timothy had built a working Book class, but something felt incomplete. He couldn't sort a list of books by year. He couldn't compare two books to see if they were equal. He couldn't use len() on a book to get page count. His custom class felt like a second-class citizen compared to Python's built-in types. books = [ Book ( " Foundation " , " Asimov " , 1951 , 255 ), Book ( " Dune " , " Herbert " , 1965 , 412 ), Book ( " 1984 " , " Orwell " , 1949 , 328 ) ] # Can't do this - TypeError! # sorted_books = sorted(books) # Can't do this meaningfully dune = Book ( " Dune " , " Herbert " , 1965 , 412 ) dune_copy = Book ( " Dune " , " Herbert " , 1965 , 412 ) print ( dune == dune_copy ) # False - differ...