import sys
import string

transcript = open(sys.argv[1],'r')
transcriptClass = open(sys.argv[2],'r')
outfile = open(sys.argv[3],'w')

f1lines = transcript.readlines()
f2lines = transcriptClass.readlines()

f1size = len(f1lines)

# print f1size
count = 0

#loop to append data from second argument to first arguement

while count < f1size:

    # print count
    characters = list(f1lines[count])
    characters[len(characters)-1:] = []
    string = "".join(characters)

    fclines = string + "," + f2lines[count]
    outfile.write(fclines)

    count = count + 1

outfile.close()
transcript.close()
transcriptClass.close()