289da8733f1d0faa48c30867093f944da839e341,lib/streamlit/hello.py,,data_frame_demo,#,159

Before Change

    "////// Gross Agricultural Production \[$1B\]"
    st.write(df.loc[countries].sort_index())

    ax = df.loc[countries].T.plot(kind="area", figsize=(20, 8), stacked=False)
    ax.set_ylabel("GAP in Billions (Int $)", fontsize=25)
    ax.set_xlabel("Year", fontsize=25)
    ax.tick_params(labelsize=20)
    ax.legend(loc=2, prop={"size": 20})

After Change

    data = data.T.reset_index()
    data = pd.melt(data, id_vars=["index"]).rename(
        columns={"index": "year", "value": "Gross Agricultural Product ($B)"}
    )
    chart = (
        alt.Chart(data)
        .mark_area(opacity=0.3)
        .encode(
            x="year:T",
            y=alt.Y("Gross Agricultural Product ($B):Q", stack=None),
            color="Region:N",
        )
    )
    st.write("", "", chart)


// fmt: on

Instances