Looping through a series of web elements of common class name

I'am writing a code to do the following using python and selenium:

1.go to google maps and search London Restaurants

2.click on first restaurant to view details and then go back to previous page and click the next restaurant (i, i+1, i+2 etc...)

3. Note all restaurant click pages have common class names (being 'section-result')

however when I'am running the code, for some reason, driver is not clicking on the restaurant to go to the details page.

I have tried the following code, which also was suggested in another forum post for this problem. However so far unsuccessfully.

also i have tried to do a for loop which i have also included in the code section as (option 2)

from selenium import webdriver
import random
import time
import pandas as pd
driver=webdriver.Chrome(executable_path="C:/users/usr/Desktop/chromedriver.exe")


UrlA = "https://www.google.com/maps/search/"
UrlB= "London"
UrlC="Restaurant"
UrlD= UrlA + UrlB + '+' + UrlC
driver.get("http://www.google.com/ncr") #to load page in english language
driver.get(UrlD)



time.sleep(2)
driver.maximize_window()

elements = driver.find_elements_by_class_name('section-result')

Option 1:

for i in elements:
    i.click()
    driver.back()

Option 2:

for i in range (1,20):
    elements[i].click
    driver.back

the code line (i dot click) is not responding and instead its going back to previous page. Please advise the correct modification for the code