从文本文件中的内容生成特定字符串

def generate_string_from_file(file_path):
    try:
        # 读取文本文件
        with open(file_path, 'r') as file:
            content = file.read()

        # 提取所需内容
        extracted_content = content.replace(' ', '')  # 去除空格

        # 处理提取的内容
        processed_content = extracted_content.lower()  # 转换为小写

        # 生成特定字符串
        generated_string = 'Generated string: ' + processed_content

        return generated_string

    except FileNotFoundError:
        return 'File not found'

# 示例调用
file_path = 'example.txt'
result = generate_string_from_file(file_path)
print(result)