func_code: def overlap(x1, y1, r1, x2, y2, r2):
      x1 = 0
      y1 = 0
      r1 = 1
      x2 = 0
      y2 = 0
      r2 = 1
      if r1 + r2 >= ((x2 - x1) ** 2 + (y2 - y1) ** 2) ** 0.5:
          return True
      else:
          return False