Finding multiple elements in Selenium Python - Practice Problems & Coding Challenges

Challenge - 5 Problems

❓ Predict Output

intermediate

Output of finding multiple elements with Selenium

What will be the output of the following Selenium Python code snippet when the page contains exactly 3 <button> elements?

Selenium Python

buttons = driver.find_elements(By.TAG_NAME, 'button')
print(len(buttons))

A 0

B 1

C 3

D TypeError

💡 Hint

Remember that find_elements returns a list of matching elements.

The method find_elements returns a list of all matching elements. Since there are 3 button elements, len(buttons) will be 3.

❓ assertion

intermediate

Correct assertion for multiple elements count

Which assertion correctly verifies that a page has exactly 5 <div> elements using Selenium Python?

Selenium Python

divs = driver.find_elements(By.TAG_NAME, 'div')

A assert divs.length == 5

B assert len(divs) == 5

C assert divs.count == 5

D assert divs.size() == 5

💡 Hint

Check how to get the number of items in a Python list.

In Python, len() returns the number of items in a list. The other options use invalid attributes or methods.

❓ locator

advanced

Best locator to find multiple elements with a specific class

You want to find all elements with the class name 'item' on a page. Which locator is the best practice in Selenium Python?

A driver.find_elements(By.CSS_SELECTOR, '.item')

B driver.find_elements(By.CLASS_NAME, 'item')

C driver.find_elements(By.ID, 'item')

D driver.find_elements(By.TAG_NAME, 'item')

💡 Hint

Consider which locator is most flexible and recommended for classes.

Using CSS_SELECTOR with '.item' is the best practice for finding multiple elements by class. CLASS_NAME works but can fail if the class name contains spaces. ID and TAG_NAME are incorrect here.

🔧 Debug

advanced

Debugging find_elements returning empty list

You run the code below but find_elements returns an empty list even though the page has matching elements. What is the most likely cause?

Selenium Python

elements = driver.find_elements(By.CSS_SELECTOR, '.active-item')
print(len(elements))

A find_elements returns None if no elements found

B The CSS selector '.active-item' is invalid syntax

C The driver session has expired

D The elements are inside an iframe and driver did not switch to it

💡 Hint

Think about page frames and how Selenium accesses elements inside them.

If elements are inside an iframe, Selenium cannot find them unless you switch to that iframe first. The CSS selector is valid, find_elements returns an empty list (not None), and driver session expiration would cause errors.

❓ framework

expert

Handling dynamic multiple elements in test framework

In a test framework using Selenium Python, you want to wait until at least 2 elements with class 'notification' appear before continuing. Which approach correctly implements this wait?

A WebDriverWait(driver, 10).until(lambda d: len(d.find_elements(By.CLASS_NAME, 'notification')) >= 2)

B WebDriverWait(driver, 10).until(lambda d: d.find_element(By.CLASS_NAME, 'notification'))

C

time.sleep(10)
assert len(driver.find_elements(By.CLASS_NAME, 'notification')) >= 2

D

driver.implicitly_wait(10)
assert len(driver.find_elements(By.CLASS_NAME, 'notification')) >= 2

💡 Hint

Use explicit waits with conditions on element counts.

Option A uses explicit wait with a lambda checking the count of elements, which is the correct way to wait for multiple elements. Option A waits only for one element. Option A uses fixed sleep which is unreliable. Option A uses implicit wait which does not wait for element count.