# pytest > Run Python tests. > More information: . - Run tests from specific files: `pytest {{path/to/test_file1.py path/to/test_file2.py ...}}` - Run tests with names matching a specific [k]eyword expression: `pytest -k {{expression}}` - Exit as soon as a test fails or encounters an error: `pytest --exitfirst` - Run tests matching or excluding markers: `pytest -m {{marker_name1 and not marker_name2}}` - Run until a test failure, continuing from the last failing test: `pytest --stepwise` - Run tests without capturing output: `pytest --capture=no`