############################################################################################################
from __future__ import print_function
from __future__ import division
log   = print
null  = None

#-----------------------------------------------------------------------------------------------------------
# def guide_rocket():
#   ###ATT### function maintenance period extended

#-----------------------------------------------------------------------------------------------------------
def start_engines():
  log( "VROOOOOOOOOOOOM" )
  return "engines OK."

#-----------------------------------------------------------------------------------------------------------
def launch_rocket():
  log( "YO MAMA" )
  return "all fine up here."

#-----------------------------------------------------------------------------------------------------------
def go_to_the_moon():
  guide_rocket( start_engines(), launch_rocket() )

#-----------------------------------------------------------------------------------------------------------
try:
  go_to_the_moon()
except Exception as error:
  log( "something terrible has happened:", error )