What does it mean to send text messages to record fingerprints (graduation) in driving school?

At the end of driving school hours, you can take the subject one exam.

The class hour system refers to a class hour recording system adopted by learning drivers when they go to driving schools to learn driving. When they arrive at (schools), they will pay (pay) and practice (practice).

The learner's fingerprint is entered into the attendance card when registering in the driving school. The coach's car is also equipped with a device to match the student's time card. When the learner goes to the coach car for training, he inserts or pulls out the learning time card, and the device will record the driving training time. Brush the coach time card with time record on the terminal equipped by the driving school and driving training management department, and end the collection of driving training hours for all students. On this basis, the driving and training management department will issue training records as the basis for the examination of the public security traffic management department.