app.py

import streamlit as st # type: ignore
import pandas as pd # type: ignore

# Initialize notes dataframe
notes_df = pd.DataFrame(columns=['Title', 'Content'])

# Function to add a new note
def add_note(title, content):
    new_note = pd.DataFrame({'Title': [title], 'Content': [content]})
    global notes_df
    notes_df = pd.concat([notes_df, new_note], ignore_index=True)

# Function to update a note
def update_note(index, title, content):
    global notes_df
    notes_df.at[index, 'Title'] = title
    notes_df.at[index, 'Content'] = content

# Function to delete a note
def delete_note(index):
    global notes_df
    notes_df = notes_df.drop(index)

# Streamlit app
st.title("Note-Taking App")

# Create a new note
st.header("Create a New Note")
title = st.text_input("Title")
content = st.text_area("Content")
if st.button("Add Note"):
    add_note(title, content)

# Display all notes
st.header("All Notes")
st.write(notes_df)

# Update a note
st.header("Update a Note")
index = st.selectbox("Select a Note to Update", notes_df.index)
if st.button("Update Note"):
    title = st.text_input("New Title")
    content = st.text_area("New Content")
    update_note(index, title, content)

# Delete a note
st.header("Delete a Note")
index = st.selectbox("Select a Note to Delete", notes_df.index)
if st.button("Delete Note"):
    delete_note(index)