Python concatenate text files

Question

I have a list of 20 file names, like [\'file1.txt\', \'file2.txt\', ...]. I want to write a Python script to concatenate these files into a new file. I could op

Answer 1

  import os
  files=os.listdir()
  print(files)
  print('#',tuple(files))
  name=input('Enter the inclusive file name: ')
  exten=input('Enter the type(extension): ')
  filename=name+'.'+exten
  output_file=open(filename,'w+')
  for i in files:
    print(i)
    j=files.index(i)
    f_j=open(i,'r')
    print(f_j.read())
    for x in f_j:
      outfile.write(x)