import subprocess as sb
from time import sleep

bat_file="C:\...\python_env.bat"

def executor(commands:list,mode=0):
    #initiate the process with the batch file
    proc=sb.Popen(bat_file, shell=False, stdin=sb.PIPE, stdout=sb.PIPE, stderr=sb.PIPE,)
    sleep(18)#Make sure python gets initiated
    if mode==0:
        for command in commands:#send commands
            proc.stdin.write((command+'rn').encode(encoding='utf-8',errors='strict'))
        outp=proc.communicate('print("done") rn'.encode(encoding='utf-8',errors='strict'),timeout=999999999)
    elif mode:
        commands="rn".join(commands)+"rn"
        outp=proc.communicate(commands.encode(encoding='utf-8',errors='strict'),timeout=999999999)
    #print all the console outputs
    print(outp[0].decode(encoding='utf_8', errors='strict'))
    print('done')

commands=['import numpy as np','a=np.rand(3,2,1)','print(a)']