What camera does a professional photographer use?

At present, professional photographers basically only use digital cameras, because film is not easy to buy and there are few places to develop. Follow-up: Will the effect of digital photos be different from that of film cameras? Still have an advantage? Thank you for your answer: filming is certainly good, but the cost is too high and too much trouble. If you want to watch it on your computer or upload it to the Internet, you have to do a film scan or a photo scan ... Q: Does a SLR camera have high technical requirements for photographers? Answer: SLR cameras are more used by professional photographers, and of course they need higher photography technology. Digital cameras are called card machines except SLR, which are used by ordinary people or amateurs, and the technical requirements are relatively low.