Add: button to redirect back to the homepage from the result page

Author: mmsesay

FlaskSimpleCalculator/__pycache__/app.cpython-38.pyc

@@ -20,6 +20,7 @@
                     </div>
                 </div>
             </fieldset>
+            <a type="button" class="btn btn-primary" href="{{ url_for('welcome') }}">Go Back</a>
         </form>
     </body>
 </html>