def prepare_numbers(numbers):
    """Prepares the numbers for the chatbot to interpret.
    
    Parameters
    ----------
    numbers : list
        Numbers that the user has input into the chatbot
        
    Returns
    -------
    numb : list
        List of integers that the chatbot can use to put into the calculator.
    """
    
    numb = []
    for item in numbers:
        numb.append(int(item))
    return numb