赫家旺的博客

PythonCookbook学习笔记   第一章    数据结构和算法   1.1    将序列分解为单独的变量 p = (4, 5) x, y = p print x print y data = [ 'ACME', 50, 91.1, (2012, 12, 21) ] name, shares, price, date = data print name pr...

利用datetime模块进行不同时间单位的换算 from datetime import timedelta a = timedelta(days=2, hours=6) b = timedelta(hours=4.5) c = a + b print(c.days) print(c.seconds) print(c.seconds / 3600)  表示特定的日期和时间 ...

第一种方法： from datetime import datetime, timedelta weekdays = ['Monday','Tuesday','Wednesday','Thursday', 'Friday','Saturday','Sunday'] def get_previous_byday(dayname, start_date=None): ...

Python中标准模块datetime能够将字符串转换为日期 from datetime import datetime text = '2012-09-20' y = datetime.strptime(text, '%Y-%m-%d') print(y) z = datetime.now() diff = z - y print(diff)   按特定格式输出 nice_...