comefrom: <qiyuangong>457_Circular_Array_Loop_1.py
code: def index( nums, index):
      length = len(nums)
      return (index + nums[index] + length) % length
masked: def sample_funcname ( var_1 , var_0 ) :
      var_3 = len ( var_1 )
      return ( var_0 + var_1 [ var_0 ] + var_3 ) % var_3
  