This job requires See https://edu.cnblogs.com/campus/nenu/2019fall/homework/9909
This week PSP, the type of task, start time, end time, break time, delta time.
This week the progress bar: the number of lines of code, Bo number of characters, used in software engineering knowledge.
Cumulative progress chart: the code until this week, the cumulative line graph, the number of blog writing until this week, the cumulative line graph.
PSP pie chart this week, according to the classification task, given the proportion of time.
