#!/usr/bin/python3
import numpy as np
def main():
	a=np.eye(3)
	b=np.arange(1.0,5.0)
	print (b)
	c=np.arange(2.0,6.0)
	print(c)
	d=np.dot(c,b)
	print (d)
	e=c*b
	f=c@b
	g=np.arange(1.0,4.0)
	h=np.random.randint(1,10,(3,3))
	k=g@h
	print ("-------------")
	print (k)




if __name__=="__main__":
	main()