I\'m working on a project where I\'ll have one application in C# and another one in Python. The C# application will continuously analyse stream of data and raise a flag each
Simplest way is PIPE communication. another simple way that not suggested is SOCKET programming. Pipes and Named pipes are good solution to communicate between different processes (over different programming languages). SOCKET programming is like this but may need more Access Level and may be less security.
other type of IPCs seems be unusable.
see for more info:
C# - Pipes
python - Pipes