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How to get span value without class on python selenium

I'm new on python, just started learning, I try to get value span on other website and I'm trying to get value on this picture on red mark , but I still get an error.
Snapshot of the HTML:

To print the text 4 hours 30 minutes you can use either of the following Locator Strategies:
Using css_selector and get_attribute("innerHTML"):
print(driver.find_element(By.CSS_SELECTOR, "div.lab-preamble__details.subtitle-headline-1 > span").get_attribute("innerHTML"))
Using xpath and text attribute:
print(driver.find_element(By.XPATH, "//div[#class='lab-preamble__details subtitle-headline-1']/span").text)
Ideally you need to induce WebDriverWait for the visibility_of_element_located() and you can use either of the following Locator Strategies:
Using CSS_SELECTOR and text attribute:
print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "div.lab-preamble__details.subtitle-headline-1 > span"))).text)
Using XPATH and get_attribute("innerHTML"):
print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "//div[#class='lab-preamble__details subtitle-headline-1']/span"))).get_attribute("innerHTML"))
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
You can find a relevant discussion in How to retrieve the text of a WebElement using Selenium - Python
References
Link to useful documentation:
get_attribute() method Gets the given attribute or property of the element.
text attribute returns The text of the element.
Difference between text and innerHTML using Selenium

If you're using only selenium to find element you can try to get this element using find_element_by_xpath.
To get xpath fast and easy you can right-click element in Chrome DevTools and in "Copy" section there is the "Copy xpath" option.

Following-sibling in XPath using Python and Selenium

I can't figure it out how to find xpath using following-sibling for those marked in green in the pic. Basically I want to click on the button called "Open" which is on the same row as the text "front".

Try this XPath:
//td[strong="front"]/following-sibling::td//a[.="Open"]
P.S. As you didn't provide HTML sample as text (do not provide it as picture!!!) I can't see whether there is a text in <i>...</i> node
So you also can try
//td[strong="front"]/following-sibling::td//a[contains(., "Open")]

Try this
//strong/parent::td/following-
sibling::td/descendant::i/following-sibling::text()
[contains(.,'Open')]
The above xpath is assuming the level of Open text and i is of same level

You can use this XPath:
//td[strong="front"]/following-sibling::td//a[contains(text(), "Open")]

As per the HTML you have shared the element with text as front doesn't have any siblings. So you may not be able to use following-sibling.
Solution
To click on the button with text as Open which is on the same row with the element with text as front you you need to induce WebDriverWait for the element_to_be_clickable() and you can use the following xpath based Locator Strategies:
Using XPATH:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//strong[text()='front']//following::td[1]//a[#class='btn default ']"))).click()
Using XPATH along with the text:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//strong[text()='front']//following::td[1]//a[contains(., 'Open')]"))).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

List not printing all .text values using Selenium and Python

So I've been using selenium recently and decided to pull some values into a list using the following:
Values = browser.find_elements_by_xpath("//div[#class='main-col']//li[#class='test-item test-item--favourites']")
The values are all stored as expected. Though when I use for example:
for i in range (len(Values)):
print(Values[i].text)
i+=1
The code runs up to about the 50th index in the list and outputs the details, but after this its blank. I can run:
print(values[50])
It will output but .text gives me nothing.
Im using pYcharm for the development and looked into the variables at this stage. I can see that once I click on the variable it states 'collecting variable data' and after this I can then output some more of the variables in the list.
Is there a way I can force selenium to collect all the variable data so I can loop through each index in the list and store it in the .text format or is there a better alternative/method I can use?

If the .text is blank that means that there is no text between CSS Selector. To get an attribute out of a CSS Selector you have to use the get_attribute() function. Inside the () you place a string which is the name of an attribute which value you are looking for. for example
print(i.get_attribute('class'))

You are able to extract the text till the 50th index as find_elements_by_xpath() was able to identify 50 odd elements as per your Locator Strategy.
Solution
To collect all the desired elements using Selenium and python you have to induce WebDriverWait for visibility_of_all_elements_located() and you can use either of the following Locator Strategies:
Using CSS_SELECTOR and get_attribute("innerHTML"):
print([my_elem.get_attribute("innerHTML") for my_elem in WebDriverWait(driver, 20).until(EC.visibility_of_all_elements_located((By.CSS_SELECTOR, "div.main-col li.test-item.test-item--favourites")))])
Using XPATH and text attribute:
print([my_elem.text for my_elem in WebDriverWait(driver, 20).until(EC.visibility_of_all_elements_located((By.XPATH, "//div[#class='main-col']//li[#class='test-item test-item--favourites']")))])
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

Capture Class Text - Selenium Python

I'm trying to capture an element of a web page using selenium in python
<span class="_2-1_O"><span dir="auto" class="_1jlxc _3Whw5">Ana Smith</span></span>
I'm trying to capture the name Ana Smith in Phyton:
nome_contato = driver.find_elements_by_class_name("_1jlxc _3Whw5").text
However, python cannot locate
try:
name= driver.find_elements_by_class_name("_1jlxc _3Whw5").text
except Exception as e:
print("|False")
Result: |False

.text does not need () it's just ".text"
In general it's easier to help with more information, but from the information you gave that's the main issue that I see.

find_elements_by_class_name returns a list, be careful. You can use find_element_by_class_name if you want the first element or you can select one element of the list returned by find_elements_by_class_name.

To handle dynamic element you need to induce WebDriverWait and wait for element to be visisble
visibility_of_element_located() and following css selector
Code:
print(WebDriverWait(driver,10).until(EC.visibility_of_element_located((By.CSS_SELECTOR,"._1jlxc._3Whw5"))).text)
you need to import following libraries
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import By

You have to consider a couple of things:
find_elements_by_* will return a list. But you want that particular element. So you have to use find_element_by_* instead.
driver.find_element_by_class_name() takes a single class. So it won't accept multiple classes as in:
driver.find_element_by_class_name("_1jlxc _3Whw5")
Most important, the element is a dynamic element, so to print the text Ana Smith you have to induce WebDriverWait for the visibility_of_element_located() and you can use either of the following Locator Strategies:
Using CSS_SELECTOR and get_attribute("innerHTML"):
print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "element_css"))).get_attribute("innerHTML"))
Using XPATH and text attribute:
print(WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.XPATH, "element_xpath"))).text)
However, the value(s) ofthe class attribute, _1jlxc, _3Whw5, etc indicates that the values are generated by either ReactJS, Vue.js, etc. So those values are never static and they would keep on changing everytime you access the webpage.
Solution
Apart from inducing WebDriverWait you have to construct either css-selectors or xpath based on static attributes possibly from some ancestor elements.

How to click through onclick event with in a table through Selenium and Python

I am automating a function where the user needs to click on the link highlighted in the below link.
HTML
I tried a contains on the xpath which is //*[#id="lc"], and an onclick option from Here neither of which work and error with the element doesn't exist error.
I know I am in the right iframe, because when using the xpath with no contains the script clicks the first xpath link with no issue.

To click() on the desired element as the element is a dynamic 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:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, "td.EMROtherEpsEven>table tr>td.EMROtherEpsEven#lc[onclick*='Hemoglobin']"))).click()
Using XPATH:
WebDriverWait(driver, 20).until(EC.element_to_be_clickable((By.XPATH, "//td[#class='EMROtherEpsEven']/table//tr/td[#class='EMROtherEpsEven' and #id='lc'][contains(#onclick, 'Hemoglobin')]"))).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

I have not use Selenium with Python, but I have with java, and in Java you have to use simple quote (') instead the double quote ("), or you can just a simpler locator id=lc without any quotes, if you're sure the ID is correct this should work.

i have done this in java hope you find the answer
yes in static or in dynamic tables the id will be the same but if you try using absolute xpath
this are two absolute path of the table element resides each other in first row
/html[1]/body[1]/section[1]/section[1]/div[1]/data[1]/div[1]/div[4]/div[1]/div[1]/div[1]/div[1]/div[2]/div[2]/div[1]/div[1]/div[1]/div[1]
/html[1]/body[1]/section[1]/section[1]/div[1]/data[1]/div[1]/div[4]/div[1]/div[1]/div[1]/div[1]/div[2]/div[2]/div[1]/div[1]/div[1]/div[2]/div[1]
This are the relative xpath of the same elements
//a[contains(text(),'AF17OT41603')]
//div[#id='1547533504703-0-uiGrid-000C-cell']//div[#class='ui-grid-cell-contents ng-binding ng-scope'][contains(text(),'AKSHAY PATIL')]
Table