Update app.py

app.py

@@ -0,0 +1,64 @@
+import streamlit as st
+
+def convert_temperature(value, from_scale, to_scale):
+    try:
+        value = float(value)
+
+        # Same unit conversion
+        if from_scale == to_scale:
+            return value
+
+        # Celsius conversions
+        if from_scale == "Celsius":
+            if to_scale == "Kelvin":
+                return value + 273.15
+            elif to_scale == "Fahrenheit":
+                return (value * 9 / 5) + 32
+            elif to_scale == "Rankine":
+                return (value + 273.15) * 9 / 5
+
+        # Kelvin conversions
+        if from_scale == "Kelvin":
+            if to_scale == "Celsius":
+                return value - 273.15
+            elif to_scale == "Fahrenheit":
+                return (value - 273.15) * 9 / 5 + 32
+            elif to_scale == "Rankine":
+                return value * 9 / 5
+
+        # Fahrenheit conversions
+        if from_scale == "Fahrenheit":
+            if to_scale == "Celsius":
+                return (value - 32) * 5 / 9
+            elif to_scale == "Kelvin":
+                return (value - 32) * 5 / 9 + 273.15
+            elif to_scale == "Rankine":
+                return value + 459.67
+
+        # Rankine conversions
+        if from_scale == "Rankine":
+            if to_scale == "Celsius":
+                return (value - 491.67) * 5 / 9
+            elif to_scale == "Kelvin":
+                return value * 5 / 9
+            elif to_scale == "Fahrenheit":
+                return value - 459.67
+
+        return "Conversion not supported!"
+    except ValueError:
+        return "Invalid input! Please enter a numeric value."
+
+# Streamlit App GUI
+st.title("Temperature Conversion App")
+st.subheader("Developed by Ahmad Hassan")
+st.caption("Supervised by Dr. Hidayatullah Mahar")
+
+# Input fields
+temp_value = st.text_input("Enter Temperature Value:")
+from_scale = st.selectbox("Convert From", ["Celsius", "Kelvin", "Fahrenheit", "Rankine"])
+to_scale = st.selectbox("Convert To", ["Celsius", "Kelvin", "Fahrenheit", "Rankine"])
+
+# Conversion logic
+if st.button("Convert"):
+    result = convert_temperature(temp_value, from_scale, to_scale)
+    st.success(f"Converted Value: {result}")