main.py

from math import sqrt

class complex:
	def __init__(self, x ,y):
		self.x = x
		self.y = y

	def add(self):
		return number(self.x.r+self.y.r, self.x.im+self.y.im).show()

	def multi(self):
		return number(	self.x.r*self.y.r-self.x.im*self.y.im, self.y.r*self.x.im+self.x.r*self.y.im).show()



class number:
	def __init__(self, x, y):
		self.r = x
		self.im = y

	def show(self):
		print self.r,self.im

	def negation(self):
		self.r = self.r*-1
		self.im = self.im*-1
		return self

	def inversion(self):
		root = sqrt(self.r*self.r + self.im*self.im)
		self.r = (self.r/root)
		self.im = -(self.im/root)
		return self


n1 = number(3,2)
n2 = number(1,1)


n1.negation().show()
n1.inversion().show()

c = complex(n1,n2)

c.add()

c.multi()