code: def str2float(text):
      
  
      try:
          # Note that the ending ) is sometimes missing. That is why the code has
          # been modified to treat it as optional. Same logic applies to lists.
          return float(re.sub(r"\(.+\)*", "", text))
      except TypeError:
          if isinstance(text, list) and len(text) == 1:
              return float(re.sub(r"\(.+\)*", "", text[0]))
      except ValueError as ex:
          if text.strip() == ".":
              return 0
          raise ex
docs: Remove uncertainty brackets from strings and return the float.