Python Project - Unit Converter

#Basic Unit Converter
print("Basic Unit Converter:")
print("")

#Defining Unit to Convert
print("METRIC TO IMPERIAL\n \na. Length: KM - Miles\nb. Weight: KG - Pounds\nc. Temperature: Celsius - Fahrenheit\nd. Speed: KM/H -MPH\ne. Volume: Liters - Gallons\n\nIMPERIAL TO METRIC\n \nf. Miles - KM\ng. Pounds - KG\nh. Fahrenheit - Celsius\ni. Km/h - Mph\nj. Liters - Gallons\n")

def convert_units(choice, value):
  """Converts a value from metric to imperial or vice versa.

  Args:
    choice: The letter corresponding to the unit conversion.
    value: The value to convert.

  """
  #Defining Conversion factors
  #Km to Miles
  if choice == "a":
    converting_unit = "km"
    converted_value = value * 0.621371
    converted_unit = "miles"
  elif choice == "b":
  #Kg to Lbs
    converting_unit = "Kg"
    converted_value = value * 2.20462
    converted_unit = "lbs"
  elif choice == "c":
  #Celsius to Farenheit
    converting_unit = "°C"
    converted_value = (value * 9/5) + 32
    converted_unit = "°F"
  elif choice == "d":
  #Km/H to MP/H
    converting_unit = "km/h"
    converted_value = value * 0.621371
    converted_unit = "MPH"
  elif choice == "e":
  #Liters to Gallons
    converting_unit = "Liters"
    converted_value = value * 0.264172
    converted_unit = "Gal"
  #Miles to Km
  elif choice =="f":
    converting_unit = "miles"
    converted_value = value * 1.60934
    converted_unit = "KM"
  #Lbs to Kg
  elif choice == "g":
    converting_unit = "lbs"
    converted_value = value * 0.453592
    converted_unit = "KG"
  #Farenheit to Celsius
  elif choice == "h":
    converting_unit = "°F"
    converted_value = value * 5/9
    converted_unit = "°C"
  #Km/H to Mph
  elif choice == "i":
    converting_unit = "km/h"
    converted_value = value * 0.621371
    converted_unit = "MPH"
  #Liters to Gallons
  elif choice == "j":
    converting_unit = "Liters"
    converted_value = value * 0.264172
    converted_unit = "Gal"
  else:
    print("Invalid choice. Please enter a letter from 'a' to 'j'. ")
    converted_value = None
    converted_unit = None
  if converted_value is not None:
    print(f"{value} {converting_unit} is equal to {converted_value:.2f} {converted_unit}.")
  return converted_value, converted_unit



choice = input("Enter the letter corresponding to the unit you want to convert: ").lower()
value = float(input("Enter the value to convert: "))

converted_value, converted_unit = convert_units(choice, value)