code: def is_number(s):
      try:
          float(s)
          return True
      except ValueError:
          return False
  
file_path: AIX360/aix360/algorithms/rule_induction/trxf/core/feature.py
imports: import numbers
  import tokenize
  from io import BytesIO
  from typing import Dict, Any
label_desc: Use image node_id 1 for calling a global function with example usage: is_number(s) and returns: True, False