def get_info(sets, **totals):
    """
    Gets use input and adds values to the totals dictionary.
    Loops through the items in the totals dictionary and asks for 
    user input for each amount and adds replaces that item's amount
    in the dictionary. 

    Parameters:
    - sets (int): Number of sets for the current group of materials
    - **totals (dict): Unpacked dictionary of the totals for each 
    set of materials. Ex: {Paper: 20, Color: 40}

    Returns:
    - (int): sets - The number of sets for the current group
    - (dict): totals - The material: amount dictionary for the current group
    """
    # get user input for each item in 'totals' dictionary
    sets = int(input('\nHow many Sets?: '))

    # loop through and replace the values in the dictionary passed
    # assign to a different variable by calling function on return
    for item in totals.keys():
        totals[item] = int(input(f'How many {item} per set?: '))
    return sets, totals