#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name
SetActiveHours=itsm.getParameter('enable')#"1"
ActiveHoursStart=itsm.getParameter('start')#"8"#24hr format
ActiveHoursEnd=itsm.getParameter('end')#"13"
command1=r'reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate" /v SetActiveHours  ^ /t REG_DWORD /d "%s" /f'%SetActiveHours
command2=r'reg add "HKLM\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings" /v ActiveHoursStart  ^ /t REG_DWORD /d "%s" /f'%ActiveHoursStart #Please edit your comand here.
command3=r'reg add "HKLM\SOFTWARE\Microsoft\WindowsUpdate\UX\Settings" /v ActiveHoursEnd  ^ /t REG_DWORD /d "%s" /f'%ActiveHoursEnd
import ctypes
from subprocess import PIPE, Popen
def ecmd(command):
    class disable_file_system_redirection:
        _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
        _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
        def __enter__(self):
            self.old_value = ctypes.c_long()
            self.success = self._disable(ctypes.byref(self.old_value))
        def __exit__(self, type, value, traceback):
            if self.success:
                self._revert(self.old_value)

    with disable_file_system_redirection():
        obj = Popen(command, shell = True, stdout = PIPE, stderr = PIPE)
    out, err = obj.communicate()
    ret=obj.returncode
    if ret==0:
        if out:
            return out.strip()
        else:
            return ret
    else:
        if err:
            return err.strip()
        else:
            return ret
print ecmd(command1)
print ecmd(command2)
print ecmd(command3)