get all the files in the path in a list?

[korenron]

def upload_script(routerIP, File_Name_To_Upload):
    UploadOk = "Problem"
    ftp = FTP(routerIP, timeout=60)
    try:
        ftp.login(user=username, passwd=password)
    except error_perm as msg:
        print(f"FTP error: {msg}")
        return "Wrong User or Password"
    except Exception as e1:
        print(e1)
        print("Error in FTP Login!")
        return "Unknown Error"
    else:
 try:
            ftp.storbinary('STOR ' + nameOnRouter, open(filename, 'rb'))
            UploadOk = "OK"
            return "FTP success"
        except Exception as e:
            print('my error')
            print(e)
            UploadOk = "Problem"
            return "FTP Error " + str(e)
        finally:
            print('done with  ' + nameOnRouter + " status " + UploadOk)

this is my fucntion that should read the files and upload them using FTP