parse_args() print(f"你好,{args.name}!") print(f"你的年龄是 {args.age} 岁。") if args.gender: print(f"你的性别是 {args.gender}。") 运行命令 python script.py -h 输出 usage: script.py [-h] [-a AGE] [-g {male,female}] name 一个简单的命令行程序 positional arguments: name ...
1>>> import dateparser 2>>> dateparser.parse("yesterday") 3datetime.datetime(2020, 3, 13, 14, 39, 1, 350918) 4>>> dateparser.parse("morgen") 5datetime.datetime(2020, 3, 15, 14, 39, 7, 314754) 在此代码中,您用于通过传递两个不同的时间字符串表示dateparser来创建两个datetime实例。...
b = datetime.datetime(2020, 11, 30, 23, 59, 59) print(a < b) print(a > b) Output: False True 18从 datetime 对象中提取年份 import datetime year = datetime.date.today().year print(year) Output: 2021 19在 Python 中找到星期几 import pendulum dt = pendulum.parse(‘2021-05-18’) p...
@with_pattern(r'\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b')defemail(text:str)->str:returntextcompiler=Parser("my email address is {email:Email}",dict(Email=email))legal_result=compiler.parse("my email address is xx@xxx.com")# legal emailillegal_result=comp...
>>>parse('Meet at {:tg}','Meet at 1/2/2011 11:00 PM')<Result (datetime.datetime(2011, 2, 1, 23, 0),) {}> 更多类型请参考官方文档: 提取时去除空格 去除两边空格 >>>parse('hello {} , hello python','hello world , hello python')<Result (' world ',) {}>>>parse('hello...
Before we can do anything else, we need to convert our string to a datetime object. The main function you will use when converting a string is thestrptimefunction. This stands for String Parse Time. The strptime function takes two input variables: ...
# c_time=datetime.datetime.now() # print(c_time.replace(minute=3,hour=2)) #时间替换 三random模块 1importrandom2 3print(random.random())#(0,1)---float 大于0且小于1之间的小数4 5print(random.randint(1,3))#[1,3] 大于等于1且小于等于3之间的整数6 7...
Python实战之数字、日期和时间的高级处理,写在前面博文为《PythonCookbook》读书后笔记整理涉及内容包括:浮点数执行指定精度的舍入运算。执行精确的浮
扩展datetime功能,支持模糊日期解析、相对时间计算。 核心功能 模糊解析日期字符串 python from dateutil import parser dt = parser.parse("October 25, 2023 2:30 PM") print(dt) # 输出: 2023-10-25 14:30:00 相对时间计算 python from dateutil.relativedelta import relativedelta ...
When working with datasets that include mixed date formats, you can use Python’s dateutil module. The dateutil.parser.parse() function is more flexible than datetime.strptime() as it can automatically detect and parse a variety of date formats without requiring a predefined format string: from...