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

# Streamlit app
st.title("Temperature Converter")

# Selection
conversion_type = st.radio(
    "Choose a conversion type:",
    ("Celsius to Fahrenheit", "Fahrenheit to Celsius")
)

# Input field
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:.2f} °C is equal to {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:.2f} °F is equal to {celsius:.2f} °C")