3.write.py

import streamlit as st 
import pandas as pd 
import numpy as np 
import altair as alt


st.header("st.write")

st.write("Hello, *World!* :sunglasses:")

st.write(1234)

df = pd.DataFrame(
    {
        'first column': [1, 2, 3, 4],
    'second column': [10, 20,30,40]
    }
)

st.write(df)

st.write("Below is a DataFrame:", df, "Above is a DataFrame.")

df2 = pd.DataFrame(
    np.random.randn(200, 3),
    columns=['a', 'b', 'c']
)

c = alt.Chart(df2).mark_circle().encode(
    x='a', y='b', size='c', color='c', tooltip=['a', 'b', 'c']
)
st.write(c)