app.py

import streamlit as st

def celsius_to_fahrenheit(celsius):
    return (celsius * 9/5) + 32

def fahrenheit_to_celsius(fahrenheit):
    return (fahrenheit - 32) * 5/9

# App layout
st.title("🌡️ Temperature Converter")
st.write("Convert temperatures between Celsius and Fahrenheit easily!")

# Dropdown for conversion selection
conversion_type = st.selectbox(
    "Select conversion type:",
    ("Celsius to Fahrenheit", "Fahrenheit to Celsius")
)

# User input
if conversion_type == "Celsius to Fahrenheit":
    celsius = st.number_input("Enter temperature in Celsius:", format="%.2f")
    if st.button("Convert"):
        fahrenheit = celsius_to_fahrenheit(celsius)
        st.success(f"{celsius}°C = {fahrenheit:.2f}°F")
elif conversion_type == "Fahrenheit to Celsius":
    fahrenheit = st.number_input("Enter temperature in Fahrenheit:", format="%.2f")
    if st.button("Convert"):
        celsius = fahrenheit_to_celsius(fahrenheit)
        st.success(f"{fahrenheit}°F = {celsius:.2f}°C")