line_appender.py

import random
import csv
import re

data0   = []
target0 = []

with open('first.file') as th:
    temp = th.readlines()
    data2= [line.strip() for line in temp]



with open('second.file', 'rb) as tk:
    # skip the first two lines
    tk.readline()
    tk.readline()
    reader = csv.reader(tk, delimiter=' ')


    for i, row in enumerate(reader):

        row.append(data2[i])

        data0.append(tuple(row))


print data0