parameters: (x1, x2, y1, y2)
return_statement: return x2 - x1, y2 - y1
docstring: Calculate the delta values for x and y co-ordinates
docstring_summary: Calculate the delta values for x and y co-ordinates
docstring_tokens: Calculate the delta values for x and y co - ordinates
function: def calc_del(x1, x2, y1, y2):
      '''
          Calculate the delta values for x and y co-ordinates
      '''
      return x2 - x1, y2 - y1
function_tokens: def calc_del ( x1 , x2 , y1 , y2 ) : return x2 - x1 , y2 - y1