comefrom: <doocs>1461.Check If a String Contains All Binary Codes of Size K_1.py
code: def hasAllCodes( s: str, k: int) -> bool:
      ss = {s[i : i + k] for i in range(len(s) - k + 1)}
      return len(ss) == 1 << k
masked: def sample_funcname ( var_0 : str , var_2 : int ) -> bool :
      var_9 = { var_0 [ var_5 : var_5 + var_2 ] for var_5 in range ( len ( var_0 ) - var_2 + 1 ) }
      return len ( var_9 ) == 1 << var_2
  