Record Class
You can install the recordclass module using pip3.
pip3 install recordclass
You can create mutable structures for storing data by using the recordclass object in the same way as you would a namedtuple.
from recordclass import recordclass
Animal = recordclass('Animal', 'species gender name')
dog = Animal(species="Dog", gender="Male", name="Bruno")
print(dog.gender) # => "Male"
dog.gender = "Female"
print(dog.gender) # =>m "Female"