old_contents: #!/usr/bin/python3
  import os
  import sys
  
  print("THIS IS THE CLIENT SERVER!")
  if sys.argc == 1:
      print("YOU DIDN'T GIVE ANY ARGS")
  elif sys.argc == 2:
      print(sys.argv[1])
  elif sys.argc == 3:
      print(sys.argv[1], sys.argv[2])
  
new_contents: #!/usr/bin/python3
  import os
  import sys
  import socket
  import shutil
  
  print("CLIENT BACKUP SOFTWARE")
  src = sys.argv[1]
  ip = sys.argv[2]
  dest = sys.argv[3]
  shutil.copytree(src, dest, symlinks = False, ignore = None)
  
subject: Add tree copy program