thisyear=int(year)thismon=int(mon)totalmon=thismon+nif(n>=0):if(totalmon<=12):days=str(get_days_of_month(thisyear,totalmon))totalmon=addzero(totalmon)return(year,totalmon,days)else:i=totalmon/12j=totalmon%12if(j==0):i-=1j=12thisyear+=i days=str(get_days_of_month(thisyear,j...
得到一个字典里所有的值,除此之外,我们还可以使用get()来返回字典里具体键名对应的值,get()返回的值是所导入的键名对应的值, 举例如下: >>> print dict {'Vendor': 'Cisco', 'IOS: '12.2(55)SE12', 'CPU': 36.3, 'Model': 'WS-C3750E-48PD-S'} >>> dict.get('Vendor') 'Cisco' >>> ...
this_year_start = datetime(now_time.year, 1, 1) this_year_end = datetime(now_time.year + 1, 1, 1) - timedelta(days=1) return this_year_start, this_year_end def get_this_week_start_and_end_day(): today = date.today() return today - timedelta(days=today.weekday()) def get_...
def calc_local_price(foreign_amount, from_country): if from_country == "United States": exchange_rate = get_exchange_rate("USD", "EUR") elif from_country == "China": exchange_rate = get_exchange_rate("CHN", "EUR") elif from_country == "Germany": exchange_rate = get_exchange_rat...
year = year self.odometer_reading = 0 def get_descriptive_name(self): """返回整洁的描述性信息""" long_name = str(self.year) + ' ' + self.make + ' ' + self.model return long_name.title() def read_odometer(self): """打印一条指出汽车里程的消息""" print("This car has " + ...
直接解析xml文件 14 tree = ET.parse("xo.xml") 15 16 # 获取xml文件的根节点 17 root = tree.getroot() 18 19 20 ### 操作 21 22 # 顶层标签 23 print(root.tag) 24 25 26 # 遍历XML中所有的year节点 27 for node in root.iter('year'): 28 # 节点的标签名称和内容 29 print(node.tag...
编程基础:Java、C# 和 Python 入门(全) 原文:Programming Basics: Getting Started with Java, C#, and Python 协议:CC BY-NC-SA 4.0 一、编程的基础 视频游戏、社交网络和你的活动手环有什么共同点?它们运行在一群
python3# stopwatch.py - A simple stopwatch program.import time# Display the program's instructions.print('Press ENTER to begin. Afterward, press ENTER to "click" the stopwatch.Press Ctrl-C to quit.')input() # press Enter to beginprint('Started.')startTime = time.time() # get the ...
thislist = ["apple", "banana", "cherry"] print(thislist[1]) 1. 2. 负索引表示从末尾开始,-1 表示最后一个项目,-2 表示倒数第二个项目,依此类推. 索引范围 通过指定范围的起点和终点来指定索引范围; 指定范围后,返回值将是包含指定项目的新列表。 thislist = ["apple", "banana", "cherry", ...
We welcome new contributors of all experience levels. The scikit-learn community goals are to be helpful, welcoming, and effective. TheDevelopment Guidehas detailed information about contributing code, documentation, tests, and more. We've included some basic information in this README. ...