diff --git a/4-tier-todo-app/app.py b/4-tier-todo-app/app.py
deleted file mode 100644
index bc9fe17..0000000
--- a/4-tier-todo-app/app.py
+++ /dev/null
@@ -1,92 +0,0 @@
-import streamlit as st
-import boto3
-import pandas as pd
-import json
-import datetime
-import time
-
-
-region = "us-west-2"
-bedrock = boto3.client('bedrock-runtime',region_name=region)
-textract = boto3.client('textract', region_name=region)
-
-#Call Amazon Bedrock
-def call_bedrock(bodyText, img_base64 = None):
-    global region
-    global bedrock
-    #global bedrock2
-    #Put your model name in the below string
-    sonnet = "anthropic.claude-3-sonnet-20240229-v1:0"
-    claude2 = "anthropic.claude-v2:1"
-
-    modelId = sonnet
-    
-    #body = json.dumps({"inputText": bodyText,
-    #                   "textGenerationConfig":{"maxTokenCount":2048, "temperature":0, "topP":0.9}})
-    # "anthropic_version": "bedrock-2023-05-31"
-    body = json.dumps({"prompt": bodyText, "max_tokens_to_sample": 500, "temperature": 0.1, "top_p": 0.1, "top_k": 10 })
-    accept = 'application/json'
-    contentType = 'application/json'
-    contentBack = False
-    backoff = 10
-    retries = 0
-    while contentBack != True:
-        #Region Shifting if current region is "us-west-2"
-        if (region == "us-west-2"):
-            region = "us-east-1"
-            bedrock = boto3.client('bedrock-runtime',region_name=region)
-            #bedrock2 = boto3.client('bedrock',region_name=region)
-        else:
-            region = "us-west-2"
-            bedrock = boto3.client('bedrock-runtime',region_name=region)
-            #bedrock2 = boto3.client('bedrock',region_name=region)           
-        print(f"region = {region}")
-        print(f"retries={retries}")
-        retries=retries+1
-        if retries>3:
-            print ("ERROR: timeout")
-            return "Timeout: It was not possible to generate a response"
-        try:
-            response = ""
-            if modelId == claude2:
-                response = bedrock.invoke_model(body=body, modelId=modelId, accept=accept,contentType=contentType)
-            else:
-                if img_base64:
-                    messages=[{ "role":'user', "content":[{"type": "image","source": {"type": "base64","media_type": "image/jpeg","data": img_base64}},{'type':'text','text': bodyText}]}]
-                else:
-                    messages=[{ "role":'user', "content":[{'type':'text','text': bodyText}]}]
-                body = json.dumps({"max_tokens": 1000, "temperature": 0.1, "top_p": 0.1, "top_k": 10, "anthropic_version": "bedrock-2023-05-31", "messages":messages})
-                response = bedrock.invoke_model(body=body, modelId=modelId)
-            print(response)
-            response_body = json.loads(response.get('body').read())
-            ct = datetime.datetime.now()
-            print(ct, " ", response_body)
-  
-            contentBack = True
-            result_text = response_body['content'][0]['text']
-            return result_text
-            
-        except Exception as error:    # Put your error handling logic here
-            print("Model exception, will retry")
-            print(bodyText)
-            ct = datetime.datetime.now()
-            print(ct, " ", error)
-        time.sleep(backoff)
-        backoff = backoff * 1.2
-
-st.header("Data Visualization")
-
-#shows a button to tupload a file
-st.write(call_bedrock("What is the capital city of France?"))
-
-uploaded_file= st.file_uploader("Upload a CSV file", type="csv")
-
-#shows the data in the csv file in streamlit
-if uploaded_file is not None:
-    df= pd.read_csv(uploaded_file)
-    st.write(df)    
-
-
-
-
-