Update app.py

app.py

@@ -61,6 +61,14 @@ def parse_text(text):
                     line = line.replace("<", "&lt;")
                     line = line.replace(">", "&gt;")
                     line = line.replace(" ", "&nbsp;")
+                    line = line.replace("*", "&ast;")
+                    line = line.replace("_", "&lowbar;")
+                    line = line.replace("{", "&#123;")
+                    line = line.replace("}", "&#125;")
+                    line = line.replace("[", "&#91;")
+                    line = line.replace("]", "&#93;")
+                    line = line.replace("|", "&#124;")
+                    line = line.replace("-", "&#45;")
                 lines[i] = "<br>"+line
     text = "".join(lines)
     return text