A class for which attributes can be accessed like a `dict`.

dict_attr.py

class DictAttr:
    def __init__(self):
        self.attr1 = "Let's go"
        self.attr2 = "Pens!"
    
    def __getitem__(self, item):
        if getattr(self, item, None):
            return getattr(self, item)
        else:
            raise KeyError("Class has no attribute {}".format(item))

if __name__ == '__main__':
    d = DictAttr()
    print(d['attr1'] + ' ' + d['attr2'])