**kwargs)end_time=time.time()duration=end_time-start_timeprint(f"函数{func.__name__}的持续时间为:{duration}秒")returnresultreturnwrapper@calculate_durationdefmy_function():# 执行一些代码或任务time.sleep(2)my_function()
下面是一个完整的示例代码,展示了如何使用Python自动计算到期时间并提醒: importdatetimeimportsmtplibfromemail.mime.multipartimportMIMEMultipartfromemail.mime.textimportMIMETextdefcalculate_expiry_date(start_date,duration):expiry_date=start_date+durationreturnexpiry_datedefsend_email(to_email,subject,body):from_e...
fromdatetimeimportdatetime,timedeltaimportcalendardefcalculate_age(birthdate):today=datetime.now()birthdate=datetime.strptime(birthdate,"%Y-%m-%d")age=today.year-birthdate.year-((today.month,today.day)<(birthdate.month,birthdate.day))returnagedefdays_until_next_birthday(birthdate):today=datetime.now...
此装饰器将在调用calculate_average函数时自动记录日志。 3.2.1.2 性能分析装饰器 这里展示一个计算函数执行时间的装饰器: import time def timing_decorator(original_function): @functools.wraps(original_function) def wrapper(*args, **kwargs): start_time = time.time() ...
duration_cast<std::chrono::nanoseconds>(end - begin);avg_time += elapsed.count() *1e-9;printf("Pi is approximately %g and took %.5f seconds to calculate.\n", pi, elapsed.count() *1e-9);}printf("\nEach loop took on average %.5f seconds ...
While this implementation is straightforward, its runtime performance is terrible: Python >>> fibonacci(10) <Lots of output from count_calls> 55 >>> fibonacci.num_calls 177 To calculate the tenth Fibonacci number, you should only need to calculate the preceding Fibonacci numbers, but this ...
df.at[i,'Earliest_Finish'] = max_ef + row['持续时间']# Backward Pass: Calculate Latest Start and Latest Finishproject_duration = df['Earliest_Finish'].max()foriinrange(len(df) -1, -1, -1): row = df.iloc[i]ifi ==len(df) -1: ...
t2 = time() mandel_time = t2 - t1print'It took %s seconds to calculate the Mandelbrot graph.'% mandel_time fig = plt.figure(1) plt.imshow(mandel, extent=(-2,2, -2,2)) plt.show() 现在尝试运行这个函数,确保它产生与我们刚刚编写的其他曼德布洛特程序相同的输出。
* 1000)) return res return wrapper @log_execution_time def calculate_similarity(ite...
import time import math import functools # decorator to calculate duration # taken by any function. def calculate_time(func): # added arguments inside the inner1, # if function takes any arguments, # can be added like this. @functools.wraps(func) # 支持内省,一般可以不用,多用于文档 def in...