#!usr/bin/python3
import random
import math

def in_vector(n,k):
	vector=[[round(random.uniform(1,100),2) for _ in range(n)] for _ in range(k)]
	return vector

def print_vector(vector,n,k):
	for i in range(k):
		print(f"vector[{i+1}]={vector[i]}")

def cal_vector(vector,n,k):
	for i,vector in enumerate(vector,start=1):
		length=math.sqrt(sum(x*x for x in vector))
		print(f"|vector{i}|={round(length,2)}")

def main():
	n=int(input("Dose stoixeia:"))
	k=int(input("Dose dianysmata:"))
	if k<n:
		vector=in_vector(n,k)
		print_vector(vector,n,k)
		print('-----------------')
		cal_vector(vector,n,k)
	else:
		print("prepei k<n")
if __name__=="__main__":
	main()