Question: Let's create a Python decorator function named performance. This decorator is designed to measure the execution time of other functions. Here's how it should work:
Let's create a Python decorator function named performance. This decorator is designed to measure the execution time of other functions. Here's how it should work:
Input: The performance decorator accepts a single function as its argument.
Wrapped Function: The performance decorator should return a modified wrapped version of the input function that:
Records the start time before running the wrapped functionExecutes the wrapped function and stores its resturn valueRecords the end time after running the wrapped functionCalculates the elapsed time end time start time
Return Value: The wrapped function should return a tuple with:
The elapsed time in seconds taken to execute the wrapped functionThe wrapped function's return value
The time module has a function named perfcounter for measuring how long it takes to run something. For example:
import time starttime time.perfcounter # "Start" timer time.sleep # Wait one second endtime time.perfcounter # "Stop" timer elapsedtime endtime starttime # should be slightly more than printelapsedtime # approximately
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