I wonder what capital letters looks like, and all the symbols. Should have at least the upper/lower characters, numbers and symbols listed at the top. Then some

I wonder what capital letters looks like, and all the symbols. Should have at least the upper/lower characters, numbers and symbols listed at the top. Then some CSS code is OK but there should be perhaps some small samples of HTML, JavaScript, Python, Java/C#, and/or C/C++ in there. More fonts besides Google Fonts would be nice.