def log_data(data, filename="data.csv"):
    names = sorted(data.keys())

    isNewFile = False

    with open(filename, "r+") as file:
        if file.read() == "":
            isNewFile = True

    print(isNewFile)

    with open(filename, "a+") as file:
        if isNewFile:
            file.write(",".join([name for name in names]))
            file.write("\n")

        file.write(",".join([str(data[name]) for name in names]))
        file.write("\n")