Update app.py

app.py

@@ -0,0 +1,39 @@
+import streamlit as st
+
+def convert_temperature(value, from_unit, to_unit):
+    """Convert temperature between Celsius, Fahrenheit, and Kelvin."""
+    if from_unit == "Celsius":
+        if to_unit == "Fahrenheit":
+            return (value * 9/5) + 32
+        elif to_unit == "Kelvin":
+            return value + 273.15
+    elif from_unit == "Fahrenheit":
+        if to_unit == "Celsius":
+            return (value - 32) * 5/9
+        elif to_unit == "Kelvin":
+            return (value - 32) * 5/9 + 273.15
+    elif from_unit == "Kelvin":
+        if to_unit == "Celsius":
+            return value - 273.15
+        elif to_unit == "Fahrenheit":
+            return (value - 273.15) * 9/5 + 32
+
+def main():
+    st.title("Temperature Converter")
+
+    # User input: Temperature value
+    value = st.number_input("Enter temperature value:", min_value=-273.15)
+    
+    # User input: Temperature units
+    from_unit = st.selectbox("Convert from:", ["Celsius", "Fahrenheit", "Kelvin"])
+    to_unit = st.selectbox("Convert to:", ["Celsius", "Fahrenheit", "Kelvin"])
+
+    # Convert and display result
+    if from_unit != to_unit:
+        converted_value = convert_temperature(value, from_unit, to_unit)
+        st.write(f"{value} {from_unit} is equal to {converted_value} {to_unit}.")
+    else:
+        st.write("Please choose different units to convert.")
+
+if __name__ == "__main__":
+    main()