csv 저장 할때 append 하는 방식으로 하느냐, write로 하느냐

write로만 하니까 마지막 데이터가 없어버리면, 아무것도 기록되지 않아있다... 

cnt = 0
    InsideWayptCSV=open('Waypoints_inside_Rect_points(x,y)123123.csv','a', encoding='utf-8', newline='') ####MKADD3
    MK_wr12=csv.writer(InsideWayptCSV) ####MKADD3

    print('g_set_waypoints_meter_range len : ', len(g_set_waypoints_meter_range)) ###MKADD 559
    # print('g_min_x_meter, g_max_x_meter, g_min_y_meter, g_max_y_meter', g_min_x_meter, g_max_x_meter, g_min_y_meter, g_max_y_meter)
    # print('g_set_waypoints_meter_range : ', g_set_waypoints_meter_range)
    for i in range(0,len(g_set_waypoints_meter_range)):
          # print('22222')
          min_y_meter = g_set_waypoints_meter_range[i][0]
          min_x_meter = g_set_waypoints_meter_range[i][1]
          max_y_meter = g_set_waypoints_meter_range[i][2]
          max_x_meter = g_set_waypoints_meter_range[i][3]

          cnt += 1
          print('<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<')
          print('max_y_meter > g_min_y_meter ?', max_y_meter , '    ',  g_min_y_meter)
          print('g_max_y_meter > min_y_meter ?', g_max_y_meter , '    ', min_y_meter )
          print('max_x_meter > g_min_x_meter ?', max_x_meter ,'    ',  g_min_x_meter )
          print('g_max_x_meter > min_x_meter ?', g_max_x_meter , '    ', min_x_meter )
          print('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>')
          # print('min_x, min_y, max_x, max_y : ', min_x_meter, min_y_meter, max_x_meter, max_y_meter)
          # print('g_set_waypoints[i] : ', g_set_waypoints[i])


          if(g_min_y_meter < max_y_meter and g_max_y_meter > min_y_meter and g_min_x_meter < max_x_meter and g_max_x_meter > min_x_meter): ###g_set_watpoints
                print('111111111111111111111111')
                wayptlist = g_set_waypoints[i] ###MKADD wayptlist = [waypoint, waypoint, ..., waypoint] 즉, 여기부터는 한 줄을 보는것임. 
                # print(wayptlist)
                E8_inside_waypoint_meter_list = [] ###MKADD 네모 사각형 안에 들어가는 waypoint들을 담을것임 [waypoint, waypoint, waypoint , ..., waypoint]
                for j in range(0,len(wayptlist)): ###MKADD 한 줄의 원소 하나하나 본다. 즉, waypoint 하나하나 본다. 
                      E8coordi = MK_W_to_E8(wayptlist[j].transform.location.y, wayptlist[j].transform.location.x) ###MKADD wayptlist[j] = j번째 waypoint점.  wayptlist[j]=waypoint
                      # print('E8coordi : ' , E8coordi)
                      if(E8coordi[0] > 0 and E8coordi[0] < 800 and E8coordi[1] > 0 and E8coordi[1] < 112): ###MKADD E8coordi[0] : y, E8coordi[1] : x
                            # print('33')
                            E8_inside_waypoint_meter_list.append(wayptlist[j]) ###MKADD E8_inside_waypoint_meter_list=[waypoint, waypoint, ...,  waypoint]

                            # print('wayptlist[j].transform.location.x, wayptlist[j].transform.location.y : ', wayptlist[j].transform.location.x, wayptlist[j].transform.location.y)
                            temp_list12=[wayptlist[j].transform.location.x, wayptlist[j].transform.location.y] ####MKADD3
                            # temp_list12 = [1,2]
                            print('haha==============================')
                            MK_wr12.writerow(temp_list12) ####MKADD3

                            # print('E8_inside_waypoint_meter_list : ', E8_inside_waypoint_meter_list) ###MKADD 점점 양이 늘어야 함. 
                if(len(E8_inside_waypoint_meter_list) > 2):
                      _inside_waypoints_meter.append(E8_inside_waypoint_meter_list) ###MKADD g_inside_waypoints_meter = [ [waypoint, waypoint, ... waypoint], [], ... , [] ]    
                      # print('g_inside_waypoints_meter : ', g_inside_waypoints_meter)        
          
    InsideWayptCSV.close() ####MKADD3
    print('hoho1')