比较2个字符串与重复部分

Question

I am developing a speak reconition trainer and I want to get the hits and errors of the trainer result. I have the real sentence and the predicted sentence and I have something like this:

if real == predicted:
    hits += 1
else:
    errors += 1

My problem comes now... The predicted strings are with the form:

- 'command' 'time' 'unit'

Where 'unit' can be [minute,minutes,second,seconds] And I want to count as hit the sentence with minute or minutes and second or secons. For example.

Real: stop five minutes and walk one second Predicted1: stop five minute and walk one second Predicted2: stop five minutes and walk one seconds Predicted3: stop three minute and walk one seconds

Where Predicted1 and Predicted2 are hits and Predicted3 an error. There are a fast way without turning all as lists and this kind of things

Answer 1

A quick solution would be to strip the rightmost s from the units and then compare.

That is, if the unit is in variable unit , then unit.rstrip('s') returns the units without the rightmost s , and doesn't change the unit if it didn't have an s in the first place.