student integral0
After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Boolean type Boolean: the simplest and most useful type
字符类型“0”能转换为bool值中的“true”，其他字符转换为“false”
2018-12-200个赞
Courses in the relevant section：Integer type: seemingly simple but actually very meaningful
8
2018-12-201个赞
