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app.py

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+import streamlit as st
+import pandas as pd
+
+# ---------------------------
+# App Title and Description
+# ---------------------------
+st.set_page_config(page_title="Excel Data Dashboard", layout="wide")
+st.title("📊 Excel Data Upload & Preview Dashboard")
+
+st.markdown("""
+Upload your Excel file below to view and explore data.
+This app works best when deployed on **Streamlit Cloud** or run locally.
+""")
+
+# ---------------------------
+# File Uploader
+# ---------------------------
+uploaded_file = st.file_uploader("📂 Upload Excel File", type=["xlsx", "xls"])
+
+if uploaded_file is not None:
+    try:
+        # Read Excel file
+        df = pd.read_excel(uploaded_file)
+
+        # Success message
+        st.success(f"✅ File '{uploaded_file.name}' uploaded successfully!")
+
+        # Show basic info
+        st.write("### Data Preview")
+        st.dataframe(df.head())
+
+        # Basic statistics
+        st.write("### Data Summary")
+        st.write(df.describe(include='all'))
+
+        # Optional: download processed CSV
+        csv = df.to_csv(index=False).encode('utf-8')
+        st.download_button(
+            label="⬇️ Download Data as CSV",
+            data=csv,
+            file_name="processed_data.csv",
+            mime="text/csv"
+        )
+
+    except Exception as e:
+        st.error(f"❌ Error reading file: {e}")
+else:
+    st.info("Please upload an Excel file to start.")

requirements.txt

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+streamlit
+pandas
+openpyxl
+xlrd