code: def isfloat(num):
      try:
          float(num)
          return True
      except ValueError:
          return False
  
file_path: stanza/stanza/utils/datasets/ner/simplify_en_worldwide.py
imports: import argparse
  import os
  import tempfile
  import stanza
  from stanza.utils.default_paths import get_default_paths
  from stanza.utils.datasets.ner.utils import read_tsv
  from stanza.utils.get_tqdm import get_tqdm
label_desc: Use image node_id 1 for calling a global function with example usage: isfloat(num) and returns: True, False