import random
import sys


size = 100
if len(sys.argv) > 1:
    size = int(sys.argv[1])


def fill_row():
    data_row = []
    for i in range(size):
        data_row.append(random.random())
    return data_row


data = []

for i in range(size):
    data_row = fill_row()
    data.append(data_row)

#print(data)