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
# Function to calculate tax
def calculate_tax(price, tax_rate):
    # Calculate the tax
    tax = price * tax_rate
    # Return the tax
    return tax

# Demonstration
price = 100
tax_rate = 0.15
tax = calculate_tax(price, tax_rate)
print("Tax of the item:", tax)
user
Tax of the item: 15.0
assistant