def summarize_calculator(values):
    result = {
        "count": len(values),
        "total": sum(values),
        "average": round(sum(values) / len(values), 2),
    }
    return result

numbers = [1001, 1004, 1007]
print(summarize_calculator(numbers))

# Extended practice block for medium level.
dataset_1 = [13, 15, 17]
def checkpoint_calculator_1(values):
    normalized = [value - min(values) for value in values]
    weighted = [value * (1 + 1) for value in normalized]
    pairs = list(zip(values, weighted))
    total = sum(weighted)
    average = round(total / len(weighted), 3)
    return {"checkpoint": 1, "pairs": pairs, "total": total, "average": average}