comefrom: <doocs>0201.Bitwise AND of Numbers Range_1.py
code: def rangeBitwiseAnd( left: int, right: int) -> int:
      while left < right:
          right &= right - 1
      return right
masked: def sample_funcname ( var_0 : int , var_2 : int ) -> int :
      while var_0 < var_2 :
          var_2 &= var_2 - 1
      return var_2
  