code: def serial_launcher(kdict={}):
      """
      prepare launch for standard execution
      syntax:  (python) (program) (progargs)
  
      Notes:
          run non-python shell commands by setting ``python`` to a null string:
          ``kdict = {'python':'', ...}``
      """
      mydict = defaults.copy()
      mydict.update(kdict)
      str = """ %(python)s %(program)s %(progargs)s""" % mydict
      return str
  
imports: import os
label_desc: Use image node_id 1 for calling a global function with example usage: serial_launcher(kdict) and returns: str