8 个 zfb 口令红包共 50 元

import re

def encrypt_word(word: str) -> str:
    if not isinstance(word, str) or not word:
        return "错误：请输入一个有效的单词。"

    cleaned_word = re.sub(r'[^A-Z]', '', word.upper())

    if not cleaned_word:
        return "错误：输入中不包含任何英文字母。"

    result_parts = []
    try:
        prev_num = ord(cleaned_word[0]) - 64
        result_parts.append(str(prev_num))
    except IndexError:
        return ""

    for i in range(1, len(cleaned_word)):
        current_char = cleaned_word[i]
        previous_char = cleaned_word[i-1]

        if current_char == previous_char:
            result_parts.append("▲ 0")
            continue

        current_num = ord(current_char) - 64
        difference = current_num - prev_num

        if difference > 0:
            result_parts.append(f"▶ {difference}")
        elif difference < 0:
            result_parts.append(f"◀ {abs(difference)}")

        prev_num = current_num

    return " ".join(result_parts)

print(encrypt_word("TIME"))