code: def get_current_datetime_str():
      return datetime.now().strftime("%Y-%m-%d-%H-%M")
  
file_path: FATE/python/fate/ml/ensemble/algo/secureboost/test/test_goss.py
imports: import pandas
  import numpy
  from fate.arch.dataframe import PandasReader
  import sys
  from datetime import datetime
  from fate.arch.dataframe import DataFrame
  from fate.ml.ensemble.utils.sample import goss_sample
label_desc: Use image node_id 1 for calling a global function with example usage: get_current_datetime_str() and returns: datetime