func_code: def overlap(x0=0, y0=0, R0=1, x1=0, y1=0, R1=1):
      try:
          overlap = False
          if math.sqrt((x0 - x1) ** 2 + (y0 - y1) ** 2) < R0 + R1:
              overlap = True
          return overlap
      except KeyError:
          print(True)