import streamlit as st
import pandas as pd
import numpy as np
import time

x = st.slider('x')  # 👈 this is a widget
st.write(x, 'squared is', x * x)

name = st.text_input("Your name", key="name")
st.write(f'Hello {name}')

# Add a selectbox to the sidebar:
add_selectbox = st.sidebar.selectbox(
    'How would you like to be contacted?',
    ('Email', 'Home phone', 'Mobile phone')
)

# Add a slider to the sidebar:
add_slider = st.sidebar.slider(
    'Select a range of values',
    0.0, 100.0, (25.0, 75.0)
)

left_column, right_column = st.columns(2)
# You can use a column just like st.sidebar:
r=left_column.button('Press me!')
st.write(f'button {r}')

latest_iteration = st.empty()
bar = st.progress(0)
for i in range(100):
  # Update the progress bar with each iteration.
  latest_iteration.text(f'Iteration {i+1}')
  bar.progress(i + 1)
  time.sleep(0.1)

# Or even better, call Streamlit functions inside a "with" block:
with right_column:
    chosen = st.radio(
        'Sorting hat',
        ("Gryffindor", "Ravenclaw", "Hufflepuff", "Slytherin"))
    st.write(f"You are in {chosen} house!")


st.write("Here's our first attempt at using data to create a table:")
st.write([34,56])
st.write(pd.DataFrame({
    'first column': [1, 2, 3, 4],
    'second column': [10, 20, 30, 40]
}))

dataframe = pd.DataFrame(
    np.random.randn(10, 20),
    columns=('col %d' % i for i in range(20)))

st.dataframe(dataframe.style.highlight_max(axis=0))
st.table(dataframe.style.highlight_max(axis=0))


map_data = pd.DataFrame(
    np.random.randn(1000, 2) / [50, 50] + [37.76, -122.4],
    columns=['lat', 'lon'])

st.map(map_data)