Basically replacing this

class A:
def init(self, b, c, d, e):
self.b = b
self.c = c
self.d = d
self.e = e

by

class A:
def init(self, b, c, d, e):

You can edit parameters' value here before they are being stored

    for k, v in vars().items():
        setattr(self, k, v)

By me.