import sys 

class Tee:
    def __init__(self, file_name, mode='a'):
        self.file = open(file_name, mode)
        self.stdout = sys.stdout

    def write(self, message):
        self.file.write(message)
        self.stdout.write(message)

    def flush(self):
        self.file.flush()
        self.stdout.flush()
        

ttt = Tee("log.txt")

sys.stdout =ttt
sys.stderr =ttt

import os 
os.system("python3 -m http.server 7860 -b 0.0.0.0 &")