# exe 17 page 177 ch 3

print('Reboot the computer and try to connect')
yn = input('Did that fix the problem? y/n ')

if yn == 'n':
    print('Reboot the router and try to connect')
    yn = input('Did that fix the problem? y/n ')
    if yn == 'n':
        print('Make sure the cables between the router & modem are plugged in firmly.')
        yn = input('Did that fix the problem? y/n ')
        if yn == 'n':
            print('Move the router to a new location and try to connect.')
            yn = input('Did that fix the problem? y/n ')
            if yn == 'n':
                print('Try to connect with another PC.')
                yn = input('Did that fix the problem? y/n ')
                if yn == 'n':
                    print('Try connect with a mobile device')
                    yn = input('Did that fix the problem? y/n ')
                    if yn == 'n':
                        print('Change Router/Gateway or borrow your neigbours')
                    else:
                        print('if other mobile device(s) connect with Gateway/Router then this is OK, so check PC cables or PC settings or a Switch device if exist')   
                else:
                    print('if other PC device(s) connect your Gateway/Router is OK so check PC cables or PC settings')
            else:
                print('Now work online!')        
        else:
            print('Now work online!')
    else:
        print('Now work online!')    
else:
    print('Now work online!')