Why did I got shared library?

[hlzy]

cmake ..
make
Than I got a "cmake_example.cpython-35m-x86_64-linux-gnu.so"
I can't be import like "import cmake_example" 。 What 's the problems of my operating？

[hlzy]

I have just got the reason, when I compile the default python is python3.5 ,but when I run the example,I use python 2.7 。