year=int(input("请输入年份:"))month=int(input("请输入月份:"))day=int(input("请输入日期:"))sum_day=0months=[31,28,31,30,31,30,31,31,30,31,30,31]#判断几月份然后加到变量里,开头是0的就不用了foriinrange(month-1):sum_day+=months[i]sum_day+=day#判断二月leap=0if(year 继续访...
python3# stopwatch.py - A simple stopwatch program.import time--snip--# Start tracking the lap times.try: # ➊while True: # ➋input()lapTime = round(time.time() - lastTime, 2) # ➌totalTime = round(time.time() - startTime, 2) # ➍print('Lap #%s: %s (%s)' % (lap...
AI代码解释 defReturn_Dates(forecast,stock_data,cycle,cycle_name='self_define_cycle',time_name='ds'):# find out the highest and lowest datesinthe first cycle # We cannot simply searchforall highest and lowest point since there is slightly differenceforhigh and low valuesindifferent cycles high...
n is how many months'''return"-".join("%s"%iforiingetyearandmonth(n))defgetyearandmonth(n=0):'''getthe year,month,days from today befor or after n months''' thisyear=int(year)thismon=int(mon)totalmon=thismon+nif(n>=0):if(totalmon<=12):days=str(get_days_of_month(thisyear...
Happens on Python notebook, Python interactive file (with #%% in many places) as well as just plain Python file. Version: 1.48.2 (system setup) Commit: a0479759d6e9ea56afa657e454193f72aef85bd0 Date: 2020-08-25T10:13:11.295Z (4 days ago) ...
In[51]:## 获取指定的行 print("指定的行:\n",df1.iloc[0:2]) ## 获取指定的列 print("指定的列:\n",df1.iloc[:,0:2]) Out[51]:指定的行: name age sex high 0 Anan 20 F 175 1 Adam 15 M 170 指定的列: name age 0 Anan 20 1 Adam 15 2 Tom 10 3 Jara 18 4 AqL 25 In[...
在上述示例中,我们首先使用tushare库获取中国A股市场的交易日历数据,并定义了get_trade_days函数来获取指定月份的交易日历数据。接着,我们定义了is_weekend函数来判断日期是否为周末,以及is_holiday函数来判断日期是否为节假日。最后,我们定义了get_last_trade_day函数来获取最后一个交易日。
tel = {"john": "111", "jane": "222", "jack": "333"} tel['henry'] # 会报下面的错 --- KeyError Traceback (most recent call last) Input In [28], in <cell line: 2>() 1 tel = {"john": "111", "jane": "222", "jack": "333"} ---> 2 print(tel["henry"]) KeyErro...
内建open()方法 [Built-in open() function]要打开一个文件,使用Python内建的open()函数。 open()方法返回一个文件对象,最常用的一般使用两个参数。file_object = open(filename, mode)这个mode参数可以是(The mode can be) 'r' 只读模式(when the file will only be read) 'w' 只写模式(与一个...
>>> for i in range(3): ... a*=7 ... >>> a 2401 第六种: >>> "*7"*4 '*7*7*7*7' >>> "*7"*4[1:] Traceback (most recent call last) File "<stdin>", line 1, in <mod TypeError: 'int' object has no at