python class string representation
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title: understanding python class string representation with examples
introduction:
in python, the _str_ and _repr_ methods are used to define a string representation for a class. these methods allow you to control how instances of your class are displayed when converted to a string using functions like str() and repr(). in this tutorial, we'll explore how to implement and customize these methods to provide meaningful and informative representations of your objects.
in this example, the _str_ method returns a string that includes information about the class and its attribute values. when you call str(obj), it will print the custom string representation.
in this example, the _repr_ method returns a string that can be used to recreate the object. it includes the class name and the values of its attributes. when you call repr(obj), it will print the custom string representation.
this ensures that even if only _str_ is called, it still provides a complete representation using __repr__.
conclusion:
understanding and implementing custom string representations using _str_ and _repr_ methods can make debugging and interacting with your classes more straightforward. by tailoring these methods to your specific needs, you can provide clear and informative representations of your objects.
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