Add more colors to python.

src/intermediate/src_block.rs

@@ -226,7 +226,15 @@ fn highlight_python<L>(lines: &[L]) -> Result<Vec<ISrcLine>, CustomError>
 where
     L: Borrow<str>,
 {
-    let highlight_names = ["comment"];
+    let highlight_names = [
+        "comment",
+        "function.builtin",
+        "keyword",
+        "property",
+        "string",
+        "type",
+        "variable",
+    ];
     let language = tree_sitter_python::LANGUAGE.into();
     let mut config = HighlightConfiguration::new(
         language,