code: def file_writeOnce(astr_fileName, astr_val, **kwargs):
      '''
      Simple "one-shot" writer. Opens <astr_fileName>
      and saves <astr_val> to file, then closes
      file.
      '''
  
      _str_mode = 'w'
      for key, val in kwargs.items():
          if key == 'mode':   _str_mode   = val
  
      FILE = open(astr_fileName, _str_mode)
      FILE.write(astr_val)
      FILE.close(f file_writeOnce(astr_fileName, astr_val, **kwargs):
      '''
      Simple "one-shot" writer. Opens <astr_fileName>
      and saves <astr_val> to file, then closes
      file.
      '''
  
      _str_mode = 'w'
      for key, val in kwargs.items():
          if key == 'mode':   _str_mode   = val
  
      FILE = open(astr_fileName, _str_mode)
      FILE.write(astr_val)
      FILE.close()
docs: Simple "one-shot" writer. Opens <astr_fileName>
      and saves <astr_val> to file, then closes
      file.