diff --git a/aprendizations/renderer_markdown.py b/aprendizations/renderer_markdown.py
new file mode 100644
index 0000000..c504126
--- /dev/null
+++ b/aprendizations/renderer_markdown.py
@@ -0,0 +1,27 @@
+
+# third party libraries
+import mistune
+from mistune.plugins.math import math
+
+from pygments import highlight
+from pygments.lexers import get_lexer_by_name
+# from pygments.formatters import HtmlFormatter
+from pygments.formatters import html
+
+class HighlightRenderer(mistune.HTMLRenderer):
+    def block_code(self, code, info=None):
+        if info:
+            lexer = get_lexer_by_name(info, stripall=True)
+            formatter = html.HtmlFormatter()
+            return highlight(code, lexer, formatter)
+        return '<pre><code>' + mistune.escape(code) + '</code></pre>'
+
+    def image(self, text, url, title=None):
+        text = mistune.escape(text, quote=True)
+        title = mistune.escape(title or '', quote=True)
+        return (f'<img src="/file/{url}" alt="{text}" title="{title}"'
+                f'class="img-fluid">')
+
+md_to_html = mistune.create_markdown(renderer=HighlightRenderer(), plugins=[math])
+# FIXME error "argument HighlightRenderer cannot be assigned to parameter
+# renderer of type str. HighlightRenderer is incimpatible with str"
--
libgit2 0.21.2