# -*- coding: utf-8 -*-

final_file = "proxy.txt"
ipv4 = "185.118.66.250"
startport = 13000
numproxy = 500

user = "user1"
password = "123456"

finallist = []

for i in range(startport, startport + numproxy):
    value = "{0}:{1}@{2}:{3}".format(
        ipv4, i, user, password)
    finallist.append(value)

with open(final_file, "w") as f1:
    for line in finallist:
        f1.write(line + "\n")

print("Finish work!")