Locating & Clicking button (Selenium)
The "by link text" locator would only work with links - a elements. Here you can use an XPath to check the text of the button:
driver.find_element_by_xpath("//button[. = 'Log out']").click()As a side note, in this code:
elem = driver.find_element_by_link_text("Log out").click()
there is not much sense in assigning the result of click() to a variable - it'd always be None.