price in products: # A if price not in unique_price_list: #B unique_price_list.append(price) return len(unique_price_list) products = [ (143121312, 100), (432314553, 30), (32421912367, 150), (937153201, 30) ] print('number of unique price is: {}'.format(find_unique_price...
L=[5,'python',(1,2),5,'today']L.append(9)print('列表追加项:',L)print('列表中5出现的次数:',L.count(5))L.extend('hello')print('追加迭代器中的项:',L)print('"python"最左边索引值:',L.index('python'))L.insert(1,'insert')print('在索引位置1处插入:',L)pop_item=L.pop()pr...
date):returncls(date.isoweekday())print(Weekday.from_date(date.today()))Flag枚举Flag枚...
output_file = args.OUTPUT_FILEifargs.hash: ha = args.hash_algorithmprint("File hashing enabled with {} algorithm".format(ha))ifnotargs.log:print("Log file not defined. Will write to stdout") 当组合成一个脚本并在命令行中使用-h参数执行时,上述代码将提供以下输出: 如此所示,-h标志显示了脚本...
():t = datetime.today()second = t.second + t.microsecond * 0.000001minute = t.minute + second / 60.0hour = t.hour + minute / 60.0Second.seth(6 * second)Minute.seth(6 * minute)Hour.seth(30 * hour)tracer(False)Watch.back(100)Write(Week(t), 'Watch')Watch.forward(30)Write(Date...
today = date.today today Output: datetime.date(2022, 8, 1) 如果我们只需要时间,就必须访问 datetime.now 对象的小时、分钟和秒属性,并将它们传递给时间构造函数: time(now.hour, now.minute, now.second) Output: datetime.time(11, 33, 25) ...
https://towardsdatascience.com/five-python-tricks-you-need-to-learn-today-9dbe03c790ab 这些Python代码技巧,你肯定还不知道 https://mp.weixin.qq.com/s/UWd4hpeZztHmpHmmlftvlQ https://www.freecodecamp.org/news/an-a-z-of-useful-python-tricks-b467524ee747/ wtfPython—Python中一些奇妙的代码...
today = date.today() print("Today date is: {}, or for short: {}".format(today.ctime(), today.isoformat())) print("Today Year: {}, Month: {}, Day: {}".format(today.year, today.month, today.day)) print("We are in number {} week of this month".format(today.isoweekday()...
print(f"现在日期时间是: {datetime.today()}") # 现在日期时间是: 2023-02-26 12:48:19.498393 7 文本清洗 文本处理对于做NLP的同学来说,是一个重头戏,我们除了使用正则表达式,还可以使用unicodedata包和combining()函数去生成和重映射表。使用字符串的translate()方法,调用映射字典完成操作。这里的ord()函数可...
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