Webdriver Python Otrzymuj całkowitą liczbę kart

def OpenNewTab(driver, Link):
    window_count = len(driver.window_handles)
    driver.execute_script('''window.open("'''+Link+'''","_blank");''')
    while len(driver.window_handles) != window_count+1:
        time.sleep(0.5)
    driver.switch_to.window(driver.window_handles[-1])
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