diff --git a/app.py b/app.py
new file mode 100644
index 0000000..3325597
--- /dev/null
+++ b/app.py
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+import pandas as pd 
+import vobject
+import requests
+from datetime import datetime, date
+import matplotlib.pyplot as plt
+import calmap
+import streamlit as st 
+import plotly.express as px
+import plotly.graph_objects as go
+import json
+import os
+
+
+
+# Function to load data from a JSON file
+def load_data(file_path):
+    try:
+        with open(file_path, 'r') as file:
+            if os.path.getsize(file_path) == 0: return {}
+            return json.load(file)
+    except FileNotFoundError:
+        print("settings file not found")
+        return {}
+    except :
+        print("settings file invalid")
+        return {}
+
+
+# Function to save data to a JSON file
+def save_data(file_path, data):
+    with open(file_path, 'w') as file:
+        json.dump(data, file)
+
+
+# Function to create a calendar heatmap for a specific year
+def create_calendar_heatmap(event_series, year):
+    # Filter the series to include only the specific year
+    event_series_year = event_series[event_series.index.year == year]
+
+    # Create a complete date range for the year
+    all_dates_year = pd.date_range(start=f'{year}-01-01', end=f'{year}-12-31')
+
+    # Reindex the Series to include all dates in the year and fill missing dates with zero
+    event_series_year = event_series_year.reindex(all_dates_year, fill_value=0)
+
+    # Create a DataFrame for Plotly
+    df_year = pd.DataFrame({'Date': event_series_year.index, 'Events': event_series_year.values})
+
+    # Generate day of the week and week of the year
+    df_year['DayOfWeek'] = df_year['Date'].dt.dayofweek
+    df_year['WeekOfYear'] = df_year['Date'].dt.isocalendar().week
+    df_year['Month'] = df_year['Date'].dt.strftime('%b')
+
+    # Create the Plotly figure
+    fig = go.Figure(data=go.Heatmap(
+        z=df_year['Events'],
+        x=df_year['WeekOfYear'],
+        y=df_year['DayOfWeek'],
+        colorscale='YlGn',
+        showscale=True,
+        colorbar=dict(
+            title='# of Events',
+            orientation='h',  # Set the color scale to horizontal
+            len=0.3,  # Adjust the length of the color scale
+            thickness=10,
+            x=0.98,
+            y=1,
+            xanchor="right",
+            yanchor="bottom",  # Position the color scale at the bottom
+        ),
+        hoverinfo='z+x+y'
+    ))
+
+    # Set the aspect ratio to ensure square boxes
+    fig.update_yaxes(scaleanchor="x", scaleratio=1, constrain="domain")
+
+    # Update the layout with the axes
+    fig.update_layout(
+        title=f'Calendar Heatmap for {year}',
+        yaxis=dict(
+            tickmode='array',
+            tickvals=[0, 1, 2, 3, 4, 5, 6],
+            ticktext=['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'],
+            range=[-1.2, 6.5], # Adjust the range to eliminate space
+            automargin=True, # Adjust margins automatically 
+            domain=[0.1,0.95] # Use available space effectively
+        ),
+        xaxis=dict(
+            tickmode='array',
+            tickvals=list(range(1, 54)),
+            ticktext=list(range(1, 54)),
+            title=dict(
+                text='Weeks of the Year',
+                standoff=0
+            ),
+            title_standoff=0,  # Adjust the distance of the title from the axis
+            tickangle=-90,  # Adjust the angle of the week numbers
+            ticklen=2,
+            side='top', # Display x-axis ticks above the heatmap
+            automargin=True, # Adjust margins automatically
+        ),
+        autosize=True,
+        margin=dict(
+            l=50,
+            r=50,
+            b=30,  # Increase bottom margin to fit month names
+            t=30,  # Increase top margin to fit week numbers
+            pad=0
+        ),
+        height=450, # Fixed height to avoid excessive space
+    )
+
+    # Add month annotations with arrows at the bottom
+    month_starts = df_year.iloc[:-10].groupby('Month')['WeekOfYear'].min().to_dict()
+    for month, week in month_starts.items():
+        fig.add_annotation(
+            x=week,
+            y=-0.5,  # Position below the x-axis
+            text=month,
+            showarrow=False,
+            arrowhead=2,
+            ax=week,
+            ay=0,  # Position the arrow closer
+            xref="x",
+            yref="y",
+            #font=dict(size=12, color="black"),
+            xanchor='left',
+            yanchor='top'
+        )
+    
+    return fig
+
+
+def save_load():
+    st.session_state['options'].pop("New")
+    save_data(settings_file, st.session_state['options'])
+    st.session_state['options'] = load_data(settings_file)
+    
+def update_params():
+    st.session_state['cal_url'] = st.session_state['options'][st.session_state['setup']]['cal_url']
+    st.session_state['number_of_years'] = st.session_state['options'][st.session_state['setup']]['number_of_years']
+
+
+# set webpage title
+st.title("Yearly Activity Heatmaps")
+
+# File path for data storage
+settings_file = 'settings.json'
+# Load persisted data if it exists; set default values otherwise
+st.session_state['options'] = load_data(settings_file)
+st.session_state['options']["New"] = {
+    'cal_url':"https://canada-holidays.ca/ics?cd=true",
+    'number_of_years': 3
+    }
+
+# Get the Calendar Export link and number of years from sidebar menu
+st.sidebar.header("Settings")
+st.session_state['setup'] = st.sidebar.selectbox("Choose a Setup:", st.session_state['options'].keys())
+st.session_state['cal_url'] = st.sidebar.text_input("Enter The Calendar Export Link:", value=st.session_state['options'][st.session_state['setup']]['cal_url'])
+st.session_state['number_of_years'] = st.sidebar.number_input("Enter the number of years:", min_value=1, max_value=10, value=st.session_state['options'][st.session_state['setup']]['number_of_years'])
+update_params()
+if(st.session_state['setup'] == "New"):
+    setup_save_name = st.sidebar.text_input("Setup Save Name:", value='yahoo')
+    st.session_state['options'][setup_save_name] = {
+        'cal_url': st.session_state['cal_url'],
+        'number_of_years': st.session_state['number_of_years']
+    }
+    st.sidebar.button("Save",on_click=save_load)
+
+
+response = requests.get(st.session_state['cal_url'])
+if response.status_code == 200:
+    # Parse the .ics file
+    cal = vobject.readOne(response.text)
+else:
+    print("Failed to download the file")
+
+
+
+
+# Create a dictionary to store event counts by date
+event_counts = {}
+for component in cal.components():
+    if component.name == "VEVENT":
+        event_date = component.dtstart.value
+        if isinstance(event_date, datetime):
+            event_date = event_date.date()
+        if event_date in event_counts:
+            event_counts[event_date] += 1
+        else:
+            event_counts[event_date] = 1
+
+
+
+# Convert the dictionary to a pandas Series
+event_series = pd.Series(event_counts)
+# Ensure the index is in datetime format
+event_series.index = pd.to_datetime(event_series.index)
+
+
+# Get the current year
+current_year = datetime.now().year
+# Create a list of years to plot
+years_to_plot = [current_year - i for i in range(st.session_state['number_of_years'])]
+
+
+
+# Plot each year's data
+for year in years_to_plot:
+    fig = create_calendar_heatmap(event_series, year)
+    st.plotly_chart(fig)
+
+
+