code: def isfloat(value):
      """
      Check input for float conversion.
  
      :param value: input value
      :type value: str
      :return: result as bool (True: input_value is a number, False: otherwise)
      """
      try:
          float(value)
          return True
      except Exception:
          return False
  
imports: from __future__ import division
  import sys
  import math
  import numpy
  import re
  from .pycm_param import *
  from .pycm_error import pycmMatrixError
  from warnings import warn
  from functools import wraps
label_desc: Use image node_id 2 for calling a global function with example usage: isfloat(value) and returns: True, False