Free Python, Selenium, Playwright & SQL Tutorials for QA Engineers

Upload files in Playwright Python with set_input_files, in-memory files and file chooser, and verify downloads with expect_download, save_as and content checks.

Read and verify HTML tables in Playwright Python: headers, rows as dictionaries, find a row by cell, columns by header name, sorting checks and pagination.

Handle JavaScript alert, confirm and prompt dialogs, work inside iframes with frame_locator, and control popups and new tabs in Playwright Python.

Playwright Python actions: click variants, fill vs press_sequentially, keys, check, select_option, dates, hover, drag and drop and actionability.

CSS and XPath selectors in Playwright Python: ids, classes, attributes, combinators, :has-text, :has, :visible, XPath axes and when to prefer get_by_role.

Master Playwright Python locators: get_by_role, get_by_label, get_by_text and get_by_test_id, filtering and chaining, strictness errors and shadow DOM.