在所有字符都包含在另一个单词中的文件中查找单词

def is_word_in_file(word, file):
    # 创建哈希表
    word_hash = {}
    for char in word:
        if char in word_hash:
            word_hash[char] += 1
        else:
            word_hash[char] = 1

    # 遍历文件中的每个单词
    with open(file, 'r') as f:
        for line in f:
            words = line.strip().split()
            for w in words:
                # 检查单词是否满足条件
                temp_hash = word_hash.copy()
                for char in w:
                    if char in temp_hash and temp_hash[char] > 0:
                        temp_hash[char] -= 1
                    else:
                        break
                else:
                    return True

    return False

# 测试
word = "apple"
file = "example.txt"
result = is_word_in_file(word, file)
print(result)