value in point

import json
import xarray as xr
import time
from tqdm import tqdm

logTime = time.time()
file_path = "data_16.08.23/wrfout_d01_2023-08-17_18_00_00.nc"

ds = xr.open_dataset(file_path)
data_var = ds["T2"].isel(Time=0) - 273.5
# data_var = data_var[:20]

y = ds.XLAT
x = ds.XLONG

lat = y.isel(Time=0)
lon = x.isel(Time=0)

# print(lon[:].data)
coordValues = []
for i in tqdm(range(len(data_var) - 1)):
    for j in range(len(data_var[i]) - 1):
        lonValue = lon[0][j].data
        latValue = lat[i][0].data

        coordValue = {}

        coordValue["lon"] = float(lonValue)
        coordValue["lat"] = float(latValue)
        coordValue["value"] = round(float(data_var[i, j].data), 1)

        coordValues.append(coordValue)

with open('coordValues.json', 'w') as outfile:
    json.dump(coordValues, outfile)


print("\n--- %s seconds ---" % (time.time() - logTime))