for bashfile in files:
    p = Popen(bashfile, cwd=dname) #dname is the current directory of the script
    stdout, stderr = p.communicate()

os.system("""here some code you use to execute in Terminal""")

import commands
cmd="bash ./script.sh"
commands.getoutput(cmd)

cmd = "/path/to/your/script/script.sh"

fun_times = commands.getoutput("bash ./script.sh")

not_fun_times = os.system("./script.sh")