def checkforbrowser():
    '''
    Check whether the input is mozilla, and returns True if so.
    '''
    current_window_id = GetForegroundWindow()
    pid = GetWindowThreadProcessId(current_window_id)
    application_name = Process(pid[-1]).name()
    application_name = application_name.replace(".exe", "")
    if ((application_name == 'firefox') or
        (application_name == 'chrome')) or (application_name == 'iexplore'):
        return True
    else:
        return False
    if len(url_string) > 2:
        return (url_string[2])
    elif len(url_string) == 2:
        return (url_string[1])
    else:
        return (url_string[0])


# Defining dictionary for storing values
app_dictionary = {}

start = time.time()
last_window_id = GetForegroundWindow()
pid = GetWindowThreadProcessId(last_window_id)
application_name = Process(pid[-1]).name()
application_name = application_name.replace(".exe", "")
print(application_name)

while True:
    current_window_id = GetForegroundWindow()

    if (current_window_id != last_window_id) & (len(
            GetWindowText(current_window_id)) != 0):
        end = time.time()
        duration, time_tuple = printTime(end - start)
        #print(current_window_id)
        #print(len(GetWindowText(current_window_id)))
        if round(end - start) != 0:
            print(duration)
            try:
                app_dictionary[application_name] = tuple(