comefrom: <doocs>0521.Longest Uncommon Subsequence I_1.py
code: def findLUSlength( a: str, b: str) -> int:
      return -1 if a == b else max(len(a), len(b))
masked: def sample_funcname ( var_0 : str , var_2 : str ) -> int :
      return - 1 if var_0 == var_2 else max ( len ( var_0 ) , len ( var_2 ) )
  