code: def _trim_zeros_float(str_floats, na_rep='NaN'):
      
      trimmed = str_floats
  
      def _is_number(x):
          return (x != na_rep and not x.endswith('inf'))
  
      def _cond(values):
          finite = [x for x in values if _is_number(x)]
          return (len(finite) > 0 and all(x.endswith('0') for x in finite) and
                  not (any(('e' in x) or ('E' in x) for x in finite)))
  
      while _cond(trimmed):
          trimmed = [x[:-1] if _is_number(x) else x for x in trimmed]
  
      # leave one 0 after the decimal points if need be.
      return [x + "0" if x.endswith('.') and _is_number(x) else x
              for x in trimmed]
docs: Trims zeros, leaving just one before the decimal points if need be.