Method __init__

Solutions/6_1/structure.py:5–9

(self, *args)

class Structure:
    _fields = ()
    def __init__(self, *args):
        if len(args) != len(self._fields):
            raise TypeError('Expected %d arguments' % len(self._fields))
        for name, val in zip(self._fields, args):
            setattr(self, name, val)

    def __setattr__(self, name, value):
        if name.startswith('_') or name in self._fields: