comefrom: <doocs>0055.Jump Game_1.py
code: def canJump( nums: List[int]) -> bool:
      mx = 0
      for i, num in enumerate(nums):
          if i > mx:
              return False
          mx = max(mx, i + num)
      return True
masked: def sample_funcname ( var_0 : List [ int ] ) -> bool :
      var_5 = 0
      for var_7 , var_8 in enumerate ( var_0 ) :
          if var_7 > var_5 :
              return False
          var_5 = max ( var_5 , var_7 + var_8 )
      return True
  