For example if you want to open the same url in 3 new tabs (4 tabs in total), you can try something like this:
from selenium import webdriver
url = 'https://www.selenium.dev/'
driver = webdriver.Chrome()
driver.get(url)
for x in range(3):
driver.execute_script("window.open('');")
driver.switch_to.window(driver.window_handles[len(driver.window_handles)-1])
driver.get(url)
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