first time

app.py

@@ -1,6 +1,13 @@
 import streamlit as st
 import leafmap.foliumap as leafmap
 from streamlit.components.v1 import html
+import ee
+import folium
+import pandas
+# import geemap.foliumap as geemap
+# import ee
+from datetime import date, timedelta, datetime
+
 
 st.set_page_config(layout="wide")
 
@@ -71,14 +78,23 @@ m = leafmap.Map(
     locate_control=True,
     plugin_LatLngPopup=False, center=map_center, zoom=8,
 )
-
-
+def ee_authenticate(token_name="EARTHENGINE_TOKEN"):
+    geemap.ee_initialize(token_name=token_name)
+    
+ee_authenticate(token_name="4/1AfJohXleDqw1-fV1879iHUDYgPbM7f5OjCKfxFY3vJiiGqQDn_ff-Luhhhk")  #4/1AfJohXkTlWMKd8fPevD3hd4tAq_j-YlD2CabTy7QtM7iu1gNB3XdBEqRehA
 # m = leafmap.Map()
 # m = leafmap.Map(center=[-40.9006, 174.8860], zoom=7)
 # m.add_basemap("Esri")    
 # m.add_basemap("Stamen.Terrain")
 # m.add_basemap("CartoDB.Positron")
-
+se2 = ee.ImageCollection('COPERNICUS/S2_SR').filterDate(
+            startDate,endDate).filter(
+            ee.Filter.lt("CLOUDY_PIXEL_PERCENTAGE",80)).map(maskCloudAndShadows).median()
+
+band = ['B4','B3','B2']
+rgbViza = {"min":0.0, "max":0.7,"bands":band}
+titlemap = "Sentinel 2 - Natural Color"
+m.addLayer(se2, rgbViza, titlemap)
 
 m.to_streamlit(height=700)