import threading
import multiprocessing.dummy as mt
import numpy as np
if __name__ == '__main__':
n = 6
a = np.zeros((n, n))
def f(i, j):
a[i, j] = i + j
with mt.Pool(
我使用的是FCC的API经/纬坐标转换成块组代码: import pandas as pd
import numpy as np
import urllib
import time
import json
# getup, getup1, and getup2 make up the url to the api
getup = 'http://data.fcc.gov/api/bl