import time
from selenium import webdriver
username = ""
password = ""
drop_class_number = ""
pick_class_number = ""
driver = webdriver.PhantomJS()
driver.set_window_size(1024, 768) # optional
driver.get("https://go.oasis.asu.edu/swapclass/?STRM=2167&ACAD_CAREER=GRAD")
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("https://cs.oasis.asu.edu/psc/asucsprd_ss/EMPLOYEE/PSFT_ASUCSPRD/c/SA_LEARNER_SERVICES.SSR_SSENRL_SWAP.GBL?STRM=2167&ACAD_CAREER=GRAD&Page=SSR_SSENRL_SWAP&Action=A&INSTITUTION=ASU00&golink=Y")
driver.find_element_by_css_selector('option[value="'+drop_class_number+'"]').click()
driver.find_element_by_css_selector("#DERIVED_REGFRM1_CLASS_NBR").send_keys(pick_class_number)
driver.find_element_by_css_selector("#DERIVED_REGFRM1_SSR_PB_ADDTOLIST2\$106\$").click()
driver.find_element_by_css_selector("#DERIVED_CLS_DTL_NEXT_PB").click()
driver.find_element_by_css_selector("#DERIVED_REGFRM1_SSR_PB_SUBMIT").click()
time.sleep(3)
driver.save_screenshot('screen.png')