Before creating chart, you can select either Function mode or Python mode.
Function mode is useful for non-tech users. You can simply analyze data with Excel-like functions. Please check out the guide below:
Python mode is scalable solution for those who can code. You can analyze data in more customizable way.
If you switch the chart mode, code written in current mode will be deleted.
You can switch chart creation mode by pressing the button on top-right of the page.