💻 Temperature Converter

def temp_converter():
    print("🌡️ Temperature Converter")
    print("1. Celsius → Fahrenheit")
    print("2. Fahrenheit → Celsius")
    print("3. Celsius → Kelvin")
    print("4. Kelvin → Celsius")

    try:
        choice = int(input("\nChoice (1-4): "))
        temp   = float(input("Temperature: "))

        if choice == 1:
            result = (temp * 9/5) + 32
            print(f"\n✅ {temp}°C = {result:.1f}°F")
        elif choice == 2:
            result = (temp - 32) * 5/9
            print(f"\n✅ {temp}°F = {result:.1f}°C")
        elif choice == 3:
            result = temp + 273.15
            print(f"\n✅ {temp}°C = {result:.2f}K")
        elif choice == 4:
            result = temp - 273.15
            print(f"\n✅ {temp}K = {result:.2f}°C")
        else:
            print("❌ 1-4 में से चुनें!")
    except ValueError:
        print("❌ सही number डालें!")

temp_converter()