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How to use driver.find_element() to locate an element and click on it using Selenium

I want to ask aobut driver.find_element(). I want to make the automatic site login with a chrome driver and python. I want to click the login button, but it doesn't work.
Here is code:
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
import time
driver = webdriver.Chrome()
driver.get('https://www.naver.com')
time.sleep(2)
search = driver.find_element(By.CLASS_NAME,'link_login')
search.click()
I also used
search = driver.find_element(By.CLASS_NAME,'link_login')
but it didn't work too. How can I make it to work?

You were close. To click on the clickable element you need to induce WebDriverWait for the element_to_be_clickable() and you can use either of the following locator strategies:
Using CLASS_NAME:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CLASS_NAME, "link_login"))).click()
Using CSS_SELECTOR:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "a.link_login"))).click()
Using XPATH:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//a[#class='link_login']"))).click()
Note: You have to add the following imports :
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC

Unable to locate element with id, class_name and xpath using Selenium Python

How to click this button:
I have tried the following:
sumbitbutton = driver.find_element(By.XPATH, "//div[text() = 'mt8 mb8']")
I decided to insted abandon this method and go for a nuther as it lead to a lot of other problums latter down the line

You will want something like:
button = WebDriverWait(browser, 20).until(EC.presence_of_element_located((By.CSS_SELECTOR, "inputButton.main_submit")))
button.click()
As you did not confirm the URL, I cannot test it, but it should work.
Also, do not forget to import
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

Generally <div> tags aren't clickable. Additionally mt8 mb8 are the classanmes, not the text.
Solution
As per the HTML:
to click on the <input> element you need to induce WebDriverWait for the element_to_be_clickable() and you can use either of the following locator strategies:
Using CSS_SELECTOR:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "input.inputButton.main_submit[value='Submit']"))).click()
Using XPATH:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//input[#class='inputButton.main_submit' and #value='Submit']"))).click()
Note: You have to add the following imports :
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC

Python, Selenium: how to click on javascript:void(0) element

I have an "onclick" element in a webpage,
<a href="javascript:void(0)" onclick=
"toIndexHtml('3','http://xxxxxxxxxxx/trade','0')">
<i></i>
<span></span>
trade
</a>
It is shown in the webpage as a button and I want to click on it, I tried to search for it using the following code:
driver.find_element_by_xpath("//a[contains(#onclick,'toIndexHtml')]").click()
WebDriverWait(driver, 20).until(
EC.element_to_be_clickable((By.XPATH,"/html/body/div/ul/li[3]/a"))).click()
Both are not working, please suggest if there is any other ways! Thanks in advance!
P.S.: I am using Chrome WebDriver and Chrome v64.

Your first locator looks perfect and should have worked.
Ideally, to click on the element you need to induce WebDriverWait for the element_to_be_clickable() and you can use either of the following Locator Strategies:
Using CSS_SELECTOR:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "a[onclick^='toIndexHtml']"))).click()
Using XPATH:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//a[starts-with(#onclick,'toIndexHtml')]"))).click()
Note : You have to add the following imports :
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC

Python Selenium - How do I check if we have an item with this on HTML?

I need to check if we something with on the page as a trigger:
data-id="false_5511971198499#c.us_DBC6E6D07C76B179C26A40D689B2AEB2"
But, I need to check only "data-id="false_" because the rest could be anything.
I tried to create:
element = driver.find_element_by_xpath("[data-id='False']")
But didn't worked. And I don't know how to continue like if there is this element we need to print(ok).
Could you help me?
Thank you!

It's a dynamic element so you have to induce WebDriverWait for the visibility_of_element_located() and you can use either of the following Locator Strategies:
Using XPATH:
WebDriverWait(browser, 20).until(EC.visibility_of_element_located((By.XPATH, "//*[starts-with(#data-id, 'false_')]")))
Using CSS_SELECTOR:
WebDriverWait(browser, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "[data-id^='false_']")))
Note : You have to add the following imports :
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC

Try this
//*[starts-with(#data_id,'false_')]

How to click on the webelement with in the highlighted script using Selenium and Python

I tried:
WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.XPATH,"//*[#value='Sign Out']")))
but no luck.. please see image for the html script

The desired element is a JavaScript enabled element so to click on the element you have to induce WebDriverWait for the element_to_be_clickable() and you can use either of the following Locator Strategies:
Using CSS_SELECTOR and click():
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "form[action*='Logoff']>li>input[value='Sign Out']"))).click()
Using XPATH and submit():
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//form[contains(#action, 'Logoff')]/li/input[#value='Sign Out']"))).submit()
Note : You have to add the following imports :
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.common.by import By
from selenium.webdriver.support import expected_conditions as EC