Update app.py

app.py

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+import streamlit as st
+import pandas as pd
+import random
+
+# Function to simulate gas sensor data
+def generate_sensor_data():
+    gases = ["CO2", "O2", "N2", "CFC", "CO", "SO", "NO"]
+    data = {gas: round(random.uniform(0, 100), 2) for gas in gases}
+    return data
+
+# Title and description
+st.title("Gas Mixture Sensor Dashboard")
+st.markdown("""
+This app simulates gas sensor readings from the surrounding air.
+It displays the concentrations of various gases (in arbitrary units) that change dynamically based on location or time.
+""")
+
+# Sidebar for location selection
+st.sidebar.header("Settings")
+location = st.sidebar.selectbox(
+    "Select a Location",
+    ["Urban Area", "Industrial Zone", "Forest", "Mountain", "Coastal Region"]
+)
+
+st.sidebar.write("Selected Location:", location)
+
+# Display sensor data
+st.subheader("Live Sensor Data")
+sensor_data = generate_sensor_data()
+sensor_df = pd.DataFrame(list(sensor_data.items()), columns=["Gas", "Concentration"])
+st.table(sensor_df)
+
+# Visualize data
+st.subheader("Gas Concentration Visualization")
+st.bar_chart(sensor_df.set_index("Gas"))
+
+# Additional info
+st.markdown("""
+*Note: The data displayed here is simulated and for demonstration purposes only.*
+""")