code: def from_string(cls, txt):
      if len(txt) == 1 and txt in CARDS:
          return cls(txt)
  
imports: from functools import total_ordering
  from itertools import combinations
  from typing import Literal, Union
label_desc: Use image node_id 3 for calling the HighCard obj's underlying member method code with example usage: obj.from_string(cls, txt) and returns: cls