Please design a student information management system, the requirement is listed, this is the first version of the student information management system, after finish please keep, to implement a function is stronger, better design, better system,
Please try to use the string handling code automatic processing) tip: import osos. System (" CLS ") can be CLS (in command line mode) modular design requirements are encapsulated into a function: each individual function according to the main interface: ShowUI display student information: ShowStuInfo add student information: AddStuInfo
Program main process: the main data design defines a list of students, to hold the information to define a list of all the students stuInfo, storing a single student information each student information including: student id (stuID), name (stuName), gender (stuSex), class (stuClass)