Now that you say VFX, Python is indeed heavily used in this industry. It's used in internal tooling but many of the open-sourced projects under the Academy Soft

Now that you say VFX, Python is indeed heavily used in this industry. It's used in internal tooling but many of the open-sourced projects under the Academy Software Foundation (ASWF) umbrella also have a Python interface. Python is also popular among color scientists, of which many work in VFX it seems. By the way, the industry also makes heavy use of Qt, also in combination with Python, to quickly build production tools with a GUI.