title: how to press enter in selenium python?
body: <p>I want to search a special keyword in Instagram. For example, I want to search this word:"fast food". I can send this key in search box. But, when I use submit method in Selenium by Python3, it doesn't work and give me error. This is my code:</p>
  
  <pre><code>from selenium import webdriver
  from selenium.webdriver.common.keys import Keys
  from selenium.webdriver.common.alert import Alert
  from selenium.webdriver.support.ui import WebDriverWait as wait
  from selenium.webdriver.support import expected_conditions as EC
  import time
  driver = webdriver.Firefox()
  url="https://www.instagram.com/p/pTPI-kyX7g/?tagged=resurant"
  driver.get(url)
  
  #login_button=driver.find_element_by_xpath("""/html/body/span/section/main/article/div[2]/div[2]/p/a""")
  #login_button.click()
  import time
  driver.implicitly_wait(5)
  search_button=driver.find_element_by_xpath("""/html/body/span/section/nav/div[2]/div/div/div[2]/input""")
  search_button.send_keys("fast food")
  search_button.submit()
  </code></pre>
  
  <p>This is gave error:</p>
  
  <pre><code>selenium.common.exceptions.NoSuchElementException: Message: Unable to locate element: ./ancestor-or-self::form
  </code></pre>
  
  <p>Could you help me?</p>