python timeit example
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Title: A Comprehensive Guide to Python's timeit Module
Introduction:
The timeit module in Python is a powerful tool for measuring the execution time of small bits of Python code. It helps in evaluating the performance of code snippets and provides a convenient way to compare different implementations.
Getting Started:
To use the timeit module, you first need to import it. The module provides both a command-line interface and a callable one. In this tutorial, we'll focus on the callable interface, which is often more convenient for embedding in your Python scripts.
Basic Usage:
The primary function in the timeit module is timeit.timeit(). This function takes a Python statement (as a string) and runs it within a timer to measure its execution time. Here's a simple example:
In this example, the code inside the triple-quotes is the snippet you want to measure. The number parameter specifies the number of executions. In this case, the loop is executed 10,000 times.
Using Setup Code:
Sometimes, your code might depend on some setup. You can use the setup parameter to specify code that is executed once before the actual measurement. This is useful for setting up variables or importing necessary modules.
Measuring Functions:
If you want to measure the execution time of a function, you can use the timeit module in a slightly different way. Here's an example:
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