Update app.py

app.py

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+import streamlit as st
+
+def convert_temperature(value, from_unit, to_unit):
+    if from_unit == to_unit:
+        return value
+    
+    if from_unit == "Celsius":
+        if to_unit == "Fahrenheit":
+            return (value * 9/5) + 32
+        elif to_unit == "Kelvin":
+            return value + 273.15
+    
+    if from_unit == "Fahrenheit":
+        if to_unit == "Celsius":
+            return (value - 32) * 5/9
+        elif to_unit == "Kelvin":
+            return (value - 32) * 5/9 + 273.15
+    
+    if from_unit == "Kelvin":
+        if to_unit == "Celsius":
+            return value - 273.15
+        elif to_unit == "Fahrenheit":
+            return (value - 273.15) * 9/5 + 32
+    
+    return None
+
+# Streamlit UI
+st.set_page_config(page_title="Temperature Converter", page_icon="🌡️", layout="centered")
+st.title("🌡️ Temperature Converter")
+st.markdown("### Convert temperatures between Celsius, Fahrenheit, and Kelvin with ease!")
+
+# Input fields
+col1, col2 = st.columns(2)
+with col1:
+    temp_value = st.number_input("Enter Temperature Value:", min_value=-273.15, format="%.2f")
+with col2:
+    from_unit = st.selectbox("From Unit", ["Celsius", "Fahrenheit", "Kelvin"], index=0)
+    to_unit = st.selectbox("To Unit", ["Celsius", "Fahrenheit", "Kelvin"], index=1)
+
+if st.button("Convert"):
+    converted_value = convert_temperature(temp_value, from_unit, to_unit)
+    if converted_value is not None:
+        st.success(f"Converted Temperature: {converted_value:.2f} {to_unit}")
+    else:
+        st.error("Invalid conversion. Please check your input.")
+
+# Footer
+st.markdown("---")
+st.markdown("**Made with ❤️ using Streamlit**")