comefrom: <doocs>0228.Summary Ranges_1.py
code: def make(nums, i, j):
      return str(nums[i]) if i == j else f'{nums[i]}->{nums[j]}'
masked: def sample_funcname ( var_0 , var_1 , var_2 ) :
      return str ( var_0 [ var_1 ] ) if var_1 == var_2 else f'{var_0[var_1]}->{var_0[var_2]}'
  