How to Execute a Function Periodically in Windows Using the Timer Class?

Executing Periodic Actions

Executing specific functions at regular intervals is a common task in programming. In Windows, there are multiple methods to achieve this, one of which involves utilizing the Timer class.

To execute a function, such as foo(), every 10 seconds, the following approach can be implemented:

1. Create a Timer Object: Within the foo() function, create a Timer instance and configure it to invoke foo() after the desired interval (e.g., 10 seconds).
2. Start the Timer: Call the start() method on the Timer object to initiate the execution.

import time, threading

def foo():
    print(time.ctime())
    # Create a Timer to call foo() again after 10 seconds
    threading.Timer(10, foo).start()

foo()

3. Continuous Execution: The Timer class creates a separate thread to execute foo(), allowing the function to run continuously without blocking the main program.
4. Output: As a demonstration, the example provided prints the current time every 10 seconds.

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