我自己写的一个基本brew平台的日历功能的程序，调整年份和月份还有日期，用了brew最基本的函数，适合brew初学者学习。-I wrote it myself a basic calendar functions brew platform program, adjust the date of the year and month are using the most basic function of the brew for brew for beginners to learn.

自己写的另外一个备忘录程序，实现基本功能。 -this notebook program was write by myself,to achieve basic functionality.