code: def rate_cpu_hour_to_mcpu_msec(rate_cpu_hour):
      rate_cpu_sec = rate_cpu_hour / 3600
      return rate_cpu_sec * 0.001 * 0.001
  
label_desc: Use image node_id 1 for calling a global function with example usage: rate_cpu_hour_to_mcpu_msec(rate_cpu_hour) and returns: unknown