Finish basic_usage.rst
Finish basic_usage.rst

duguxy/pyclibrary,MatthieuDartiailh/pyclibrary,duguxy/pyclibrary,MatthieuDartiailh/pyclibrary,mrh1997/pyclibrary,mrh1997/pyclibrary,mrh1997/pyclibrary,duguxy/pyclibrary