def __init__(self, text="Elapsed time: {:0.4f} seconds"): self._start_time = None self.text = text 注意,默认文本"Elapsed time: {:0.4f} seconds"是作为一个常规字符串给出的,而不是f-string。这里不能使用f-string,因为f-string会立即计算,当你实例化
print("Elapsed time: {:.2f} seconds".format(elapsed_time)) 1. 四、状态图 以下是使用Mermaid语法创建的状态图,展示了整个流程: 导入time模块获取当前时间执行代码再次获取当前时间计算时间差输出结果ImportTimeModuleGetStartTimeExecuteCodeGetEndTimeCalculateElapsedTimePrintResult 五、序列图 以下是使用Mermaid语法...
result = calculate_square_sum(lst) end_time = time.time() elapsed_time = end_time - start_time print(f"平方和: {result}") print(f"代码运行时间: {elapsed_time}秒") 在这个示例中,我们定义了一个函数calculate_square_sum(),用于计算列表中所有元素的平方和。我们使用time模块测量了该函数的执行...
def __init__(self, text="Elapsed time: {:0.4f} seconds"): self._start_time = None self.text = text 1. 2. 3. 4. 注意,默认文本"Elapsed time: {:0.4f} seconds"是作为一个常规字符串给出的,而不是f-string。这里不能使用f-string,因为f-string会立即计算,当你实例化Timer时,...
# Calculate elapsed time elapsed_time = time.perf_counter() - self._start_time self._start_time = None # Report elapsed time if self.logger: self.logger(self.text.format(elapsed_time)) if self.name: self.timers[self.name] += elapsed_time ...
if self._start_time is None: raise TimerError(f"Timer is not running. Use .start() to start it") # Calculate elapsed time elapsed_time = time.perf_counter() - self._start_time self._start_time = None # Report elapsed time
importtime# 步骤1:记录程序开始时间start_time=time.time()# 步骤2:执行待测程序defcalculate_sum():sum=0foriinrange(1000000):sum+=ireturnsumresult=calculate_sum()# 步骤3:记录程序结束时间end_time=time.time()# 步骤4:计算运行时间差elapsed_time=end_time-start_time# 步骤5:输出运行时间elapsed_tim...
1 million numberssum_x = 0for i in range(1000000): sum_x += i# wait for 3 secondstime.sleep(3)print('Sum of first 1 million numbers is:', sum_x)# get the end timeet = time.time()# get the execution timeelapsed_time = et - stprint('Execution time:', elapsed_time, 'se...
print(f"Elapsed time: {self.end - self.start} seconds") def add(a, b): return a + b with Timer(): result = add(3, 5) print(result) # 输出: 8 在这个示例中,我们定义了一个上下文管理器Timer,用于计算代码块的执行时间。通过使用with语句,我们可以在获取函数返回值前后自动进行计时操作,并打...
# Calculate the elapsed time elapsed_time = end_time - start_time print("Elapsed time: {:.2f} seconds".format(elapsed_time)) # Elapsed time: 2.01 seconds Copy If you need a more accurate result, you can always use theperf_counter()function. This returns a floating-point value representi...