code: def check_is_float(self, num):
      try:
          n = float(num)
          return True
      except:
          return False
  
file_path: scikit-rebate/skrebate/iter.py
imports: from sklearn.base import BaseEstimator
  import copy
  import numpy
label_desc: Use image node_id 7 for calling the Iter obj's underlying member method code with example usage: obj.check_is_float(num) and returns: True, False