Code blocks

    ```py title="add_numbers.py" linenums="1" hl_lines="2-4"
    # Function to add two numbers
    def add_two_numbers(num1, num2):
        return num1 + num2

    # Example usage
    result = add_two_numbers(5, 3)
    print('The sum is:', result)
    ```

produces

add_numbers.py
1
2
3
4
5
6
7
# Function to add two numbers
def add_two_numbers(num1, num2):
    return num1 + num2

# Example usage
result = add_two_numbers(5, 3)
print('The sum is:', result)