app.py

import streamlit as st
import pymongo

uri = "mongodb+srv://123123:mb123123@cluster.c0bshep.mongodb.net/?retryWrites=true&w=majority"

client = pymongo.MongoClient(uri)
db = client["demo"]
collection = db["class"]

st.title('TODO LIST')
st.write('This is a TODO List which allows you to insert, update, delete your task')

page = st.sidebar.selectbox('Menu', ['Home', 'Insert', 'Edit', 'Delete'])

if page == 'Insert':
    st.header('Insert Task')
    task = st.text_input('Task')
    cate = st.selectbox('Category', ['Work', 'Study', 'Entertainment'])
    
    if st.button('Insert'):
        collection.insert_one({'Task':task, 'Category': cate})
        st.success('Successfully Inserted')
        
elif page == 'Edit':
    st.header('Edit Task')
    
elif page == 'Delete':
    st.header('Delete Task')
    task = st.text_input('Input the Task&Category you want to delete')
    cate = st.selectbox('Category', ['Work', 'Study', 'Entertainment'])
    
    if st.button('Delete'):
        collection.delete_one({'Task':task, 'Category':cate})
        st.success('Successfully Deleted')

elif page == 'Home':
    st.header('Home Page')
    tasks = collection.find({}, {'_id':0, })
    st.table(tasks)