import csv
db1 = csv.reader(open(r'D:\1.cvs','rb'),delimiter = ',',quotechar = '"',lineterminator = '\r\n')
db2 = csv.reader(open(r'D:\2.cvs','rb'),delimiter = ',',quotechar = '"',lineterminator = '\r\n')
tempstr = ''
outtxt = open(r'D:\out.txt','w')
S = 0
ls1 = []


for row1 in db1:
    S = 0
    for row2 in db2:
        if row1[2] == row2[2]:
            tempstr = row1[9]+'  '+row1[3]+'  '+row1[2]+' = '+row2[2]+'  '+row2[3]+'  '+row2[9]
            outtxt.write(tempstr)
            S = 1
    if S == 0:
        tempstr = row1[9]+row1[3]+row1[2]
        ls1.append(tempstr)

outtxt.close()

import csv
db1 = csv.reader(open(r'D:\1.cvs','rb'),delimiter = ',',quotechar = '"',lineterminator = '\r\n')
db2 = csv.reader(open(r'D:\2.cvs','rb'),delimiter = ',',quotechar = '"',lineterminator = '\r\n')


for row1 in db1:
    print row1[2]
    for row2 in db2:
        print row1[2],row2[2]

000000001 О00000001
000000001 О00000002
000000001 О00000003
000000001 О00000004
бла... бла...
000000001 О00002628
000000001 О00002629
000000002
000000003
бла... бла...
000000929
000000930

db2= list(csv.reader(...))