Fast and Precise Python Repeating Timer

Question

I need to send repeating messages from a list quickly and precisely. One list needs to send the messages every 100ms, with a +/- 10ms window. I tried using the code below,

Answer 1

Store the start time. Send the message. Get the end time. Calculate timeTaken=end-start. Convert to FP seconds. Sleep(0.1-timeTaken). Loop back.