comefrom: <doocs>0675.Cut Off Trees for Golf Event_1.py
code: def f(i, j, x, y):
      return abs(i - x) + abs(j - y)
masked: def sample_funcname ( var_0 , var_1 , var_2 , var_3 ) :
      return abs ( var_0 - var_2 ) + abs ( var_1 - var_3 )
  