Why are Python bindings developed for existing code in other languages such as C?

Question

What is the motive behind developing Python bindings for existing code in other languages? I see many programmers developing Python bindings for their existing C code. Why? How does it help?

Answer 1

Although I cannot say this with full authority because it is preference-based, developing Python bindings for C makes development process easier for those who find Python syntax more productive and easier to work with.

(for example, Python CUDA, 3D, Kinect, etc. libraries)