class CompressionFactory: compression = {} def __new__(cls): cls.compression = {"rar": Rar(), "tar": Tar(), "zip": Zip()} return cls @classmethod def getCompression(cls, method): return cls.compression[method]import abcclass File(abc.ABC): def __init__(self, txt): self.txt =…
In proxy pattern, a class represents functionality of another class. This type of design pattern comes under structural pattern. In proxy pattern, we create object having original object to interface…
"""The flyweight software design pattern refers to an object that minimizes memory usage by sharing some of its data with other similar objects.Flyweight is a structural design pattern that lets…
