#Install selenium with pip install selenium
#and make sure you place Chromedriver on the code path and latest Chrome Installed

import selenium
#used for sending keys
from selenium.webdriver.common.keys import Keys
#Used for Waiting for a xapth to be available
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By


#Initialize
driver = webdriver.Chrome()
URL= "www.amazon.in"

#opening URL
driver.get(URL)
#finding element using xpath
xpath_username = "//input[@id='username']"  # 1. //- syntax find all elem , 2. input - tag , 3. @id - property , 4. "username" matching  string
xpath_password = "//input[@id='password']"
xpath_login = "//button[@id='submit']"
xpath_list = "//li[@class='menu']"
driver.find_element_by_xpath(xpath_username)

#Sending input data , sending to username field of the website. make sure Xpath is correctly mapping to input field
driver.find_element_by_xpath(xpath_username).send_keys("arunkarnan")
driver.find_element_by_xpath(xpath_password).send_keys("#########")
#Clicking button
driver.find_element_by_xpath(xpath_login).click()

#Sometime we need to wait for JS to include certain elements or tags so we use Wait Method for it
#Below code will wait until the page loas and shows username field "20" is timeout(Hot long to wait).
WebDriverWait(driver,20).until(EC.presence_of_element_located((By.XPATH,xpath_username)))

#You can find list of all elements using find_element<s>_by_xpath , this will return <web element> list
driver.find_element_by_xpath(xpath_list)

#YOu can get an elements attributes value by get_attribute('href') method with attribute key as parameters
driver.find_element_by_xpath("//img").get_attribute('href')

#Finally close the driver before finish otherwise I will keep on running in bg
driver.close()