import os
filename='./train_data/img_'
for i in range(1,19736):
    newfile=filename+str(i)+'.txt'
    if os.path.exists(newfile):
        read= open(newfile, 'r')
        for line in read:
            writ = open('recode.txt', 'a')
            writ.write(line)
            writ.write('\n')
    else:
        continue