from selenium import webdriver
import time
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
from selenium.webdriver.common.keys import Keys

binary = FirefoxBinary(r'C:\Program Files (x86)\Mozilla Firefox\firefox.exe') #location of firefox.exe
b = webdriver.Firefox(firefox_binary=binary)

b.get('http://w...content-available-to-author-only...p.com')
raw_input()
print("Success!!!")
elem = b.find_element_by_xpath('//span[contains(text(),"Name of group or your friend!")]') #modify here!
elem.click()
elem1 = b.find_elements_by_class_name('input')
while True:
	elem1[1].send_keys('Message That you want to send!')
	b.find_element_by_class_name('send-container').click()