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