code: def get_timestamp():
      ts = datetime.now()
      time_stamp = "{y}-{m:02d}-{d:02d}_{h:02d}{mm:02d}".format(
          y=ts.year, m=ts.month, d=ts.day, h=ts.hour, mm=ts.minute
      )
      return time_stamp
  
file_path: image-super-resolution/ISR/utils/utils.py
imports: import os
  import argparse
  from datetime import datetime
  import numpy
  import yaml
  from ISR.utils.logger import get_logger
label_desc: Use image node_id 3 for calling a global function with example usage: get_timestamp() and returns: time_stamp