https://4py.eu/ 2025-05-30 weekly 0.8 https://4py.eu/functions 2025-05-30 weekly 0.8 https://4py.eu/live_demo 2025-05-30 weekly 0.8 https://4py.eu/pricing 2025-05-30 weekly 0.8 https://4py.eu/pricing/saas 2025-05-30 weekly 0.8 https://4py.eu/pricing/on_prem 2025-05-30 weekly 0.8 https://4py.eu/about 2025-05-30 weekly 0.8 https://4py.eu/contact 2025-05-30 weekly 0.8