text: fw= open('articles.txt','w')
  
  for i in range(1,11):
      t = 'input'+str(i)+'.txt'
      f=open(t,'r')
      line = f.readline()
      line = f.readline()
      lines=""
      while True:
          line = f.readline()
          if not line: break
          tmp = line.split('\n')
          for j in range(len(tmp)):
              lines+=tmp[j]
      fw.write(lines)
      fw.write("\n")
  
  