import time
from selenium import webdriver
username = ""
password = "”
drop _number = ""
pick_number = ""
phantomjs_path = r'C:\Python27\phantomjs-2.1.1-windows\bin\phantomjs.exe'
driver = webdriver.PhantomJS(phantomjs_path)
driver.set_window_size(1024, 768) # optional
driver.get(" the url will be here")
driver.switch_to.frame(driver.find_element_by_tag_name("frame"))
driver.find_element_by_css_selector("#username").send_keys(username)
driver.find_element_by_css_selector("#password").send_keys(password)
driver.find_element_by_css_selector("input[type=submit]").click()
driver.get(" another url")
driver.find_element_by_css_selector('option[value="'+drop_ number+'"]').click()
driver.find_element_by_css_selector("#DERIVED_REGFRM1_CLASS_NBR").send_keys(pick_ number)
time.sleep(2)
driver.find_element_by_css_selector("#DERIVED_REGFRM1_SSR_PB_ADDTOLIST2\$106\$").click()
time.sleep(2)
driver.find_element_by_css_selector("#DERIVED_CLS_DTL_NEXT_PB").click()
time.sleep(2)
driver.find_element_by_css_selector("#DERIVED_REGFRM1_SSR_PB_SUBMIT").click()
time.sleep(5)
driver.save_screenshot('screen.png')