Let’s have a look at an example next.
In the following code, you create a Person class with one name attribute. The
__reversed__ dunder method uses slicing with negative step size to return the reversed string object when calling
reversed(alice) on a Person object
class Person: def __init__(self, name): self.name = name def __reversed__(self): return self.name[::-1] alice = Person('alice') print(reversed(alice)) # ecila
Note that the returned string object is an iterator, so this is a perfectly valid implementation of the
__reversed__ magic method.
Background Video Reversing a List
Background Video Slicing
Where to Go From Here?
Enough theory. Let’s get some practice!
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