You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
def roman_to_int(roman):
    # Create a dictionary for the Roman numerals
    roman_values = {
        'M': 1000,
        'D': 500,
        'C': 100,
        'L': 50,
        'X': 10,
        'V': 5,
        'I': 1
    }
    total = 0
    for i in range(len(roman)):
        # If the current value is greater than the previous value, subtract it from the total
        if i != 0 and roman_values[roman[i]] > roman_values[roman[i-1]]:
            total -= roman_values[roman[i-1]]
        # Add the current value to the total
        total += roman_values[roman[i]]

    return total

num = roman_to_int('MCMLIV')
print(num)
user
2055
assistant