# Copyright (c) 2025 Martin Kayser (tebarius)
# Licensed under the MIT License. See LICENSE file in the project root.
# start with: streamlit run examples.py
import streamlit as st


st.write("# Hello World !")


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


st.table(df)


import pandas as pd
st.map(pd.DataFrame({'lat':[52.3642], 'lon':[13.0906]}), zoom=17, size=5)


import streamlit as st
x = st.slider('x', 32, 233)  # 👈 this is a widget
st.write(x, 'squared is', x * x)


st.text_input("Your name", key="name")
# You can access the value at any point with:
st.session_state.name


import numpy as np
import pandas as pd

if st.checkbox('Show dataframe'):
    chart_data = pd.DataFrame(
       np.random.randn(20, 3),
       columns=['a', 'b', 'c'])
    chart_data


import pandas as pd
df = pd.DataFrame({
    'first column': [1, 2, 3, 4],
    'second column': [10, 20, 30, 40]
    })
option = st.selectbox(
    'Which number do you like best?',
     df['first column'])
'You selected: ', option


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)
)

add_selectbox
add_slider


left_column, right_column = st.columns(2)
# You can use a column just like st.sidebar:
left_column.button('Press me!')
# 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.progress(80)

st.text_area("Your text", key="te")
st.session_state.te