namedtuplePerson0

namedtuplePerson0 is a Python namedtuple class created for demonstration purposes using the collections.namedtuple factory. It represents a lightweight, immutable record with a fixed set of fields, commonly used to model simple entities such as a person.

Definition and basic usage: It is defined by importing namedtuple and assigning a class to a variable named namedtuplePerson0, for example namedtuplePerson0 = namedtuple('Person0', ['name','age','city']). Once defined, you instantiate it with namedtuplePerson0('Alice', 30, 'New York'). You can access fields as person.name, person.age, and person.city, and you can treat the instance as a tuple for indexing and iteration.

Key features and methods: The class provides a _fields attribute listing the field names, a _asdict() method that returns an ordered dictionary of field-value pairs, and a _replace(**kwargs) method that returns a new instance with some fields changed. A classmethod _make(iterable) creates an instance from an iterable. Namedtuple instances are immutable and hashable if all fields are hashable, supporting use as dictionary keys or in sets.

Advantages and limitations: Namedtuples offer a compact, self-documenting way to model records with attribute access and tuple semantics, with lower memory overhead than a full class. They lack the mutability and advanced validation features of dataclasses; for more complex data models, other approaches may be preferable.

See also: Python collections.namedtuple, dataclasses, typing.NamedTuple.