Python code run while I stop it by using Keyboard
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Title: Graceful Interruption: Stopping Python Code with Keyboard
In Python, you might encounter situations where you want to gracefully stop the execution of your code while it's running. One common method to achieve this is by handling keyboard interrupts, allowing you to stop the code execution when a specific key combination is pressed. This tutorial will guide you through the process of implementing a keyboard interrupt handler in Python, providing a smooth way to halt your code.
Make sure you have Python installed on your system. You can download the latest version from python.org.
Now, you can write your main code, and the keyboard interrupt handler will be triggered when a KeyboardInterrupt (usually triggered by pressing Ctrl+C) is detected.
Step 1: Import the signal and sys modules. The signal module provides mechanisms to use signal handlers in Python, and sys is used for exiting the program gracefully.
Step 2: Define the keyboard_interrupt_handler function. This function will be called when a keyboard interrupt is received. In this example, it prints a message and exits the program.
Step 3: Register the keyboard_interrupt_handler function to be called when a SIGINT (interrupt signal) is received.
Step 4: Write your main code inside the main function. The try block is used to catch any exceptions that might occur during the code execution. If a KeyboardInterrupt exception is caught, it will print a message and exit gracefully.
By following these steps, you can implement a keyboard interrupt handler in your Python code, allowing you to stop the execution gracefully by pressing Ctrl+C. This can be especially useful in situations where you want to terminate a long-running process without abruptly terminating the program.
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