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How to Execute Code Recursively at Regular Intervals in Python?

Barbara Streisand
Barbara StreisandOriginal
2024-11-17 06:24:03748browse

How to Execute Code Recursively at Regular Intervals in Python?

Executing Code Recursively at Regular Intervals

Running a specific code block periodically can be crucial in various programming scenarios. Python provides the threading module, which enables you to create threads that run concurrently with the main program. Here's a solution using this module to print a message every n seconds:

import threading

def printit():
  # Schedule the next invocation of this function after n seconds
  threading.Timer(5.0, printit).start()

  # Execute the code
  print("Hello, World!")

# Initiate the first call of the printit function
printit()

# Continue with the rest of your code

In this code:

  1. The printit() function defines the code to be executed and schedules the next invocation of the function after n seconds using threading.Timer(n, printit).start().
  2. The initial call to printit() is made to start printing the message every 5 seconds.
  3. You can continue with the rest of your program's execution, as the printing thread runs concurrently.

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