strings, solutions, strings_v, solutions_v = generate_data()
split_at = len(strings) - (len(strings) // 10)
strings_train = strings[:split_at]
solutions_train = solutions[:split_at]
X_train = strings_v[:split_at]
y_train = solutions_v[:split_at]
strings_test = strings[split_at:]
solutions_test = solutions[split_at:]
X_test = strings_v[split_at:]
y_test = solutions_v[split_at:]