zhen yuan

`st.beta_columns` is depreciated in favour of `st.columns` 

love your work! keep it up 😊

there **isnt** a student pricing according to this [tabnine faq](https://support.tabnine.com/hc/en-us/articles/6240224382225-Does-Tabnine-have-a-Student-Plan-) same information [here](https://www.tabnine.com/pricing)