Working with Input box/Test Box in Selenium with Python

# importing the modules
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
import time
# using chrome driver
driver = webdriver.Chrome()
# web page url
driver.get("https://fs2.formsite.com/meherpavan/form2/index.html?1537702596407")
# select class name where is input box are present
element = driver.find_elements(By.CLASS_NAME, "text_field")
# find number of input box 
print(len(element))
# fill value in input box
driver.find_element_by_xpath('//*[@id="RESULT_TextField-1"]').send_keys("praveen")
driver.find_element_by_xpath('//*[@id="RESULT_TextField-2"]').send_keys("yadav")
driver.find_element_by_xpath('//*[@id="RESULT_TextField-3"]').send_keys("87871111")
# check status
x = driver.find_element_by_xpath('//*[@id="RESULT_TextField-1"]').is_displayed()
print(x)
driver.close()