func_code: def overlap(x1=0, y1=0, r1=0, x2=0, y2=0, r2=0):
      if x1 == x2 and y1 == y2 and r1 == r2:
          return True
      distance = (x2 - x1 + (y2 - y1)) ** 0.5
      if abs(distance) < r1 or abs(distance) < r2:
          return True
      else:
          return False