档案管理，功能要求：

<1>用户可在程序提示下输入任意数量的学生个人信息。

<2>学生个人信息内容：

    name（字符型）不需支持中文

    sex（字符型）不需支持中文

    age（整型）

    Profession（字符型）不需支持中文

<3>学生个人信息输入完毕后，用户键入“ALL”并回车后，能够在屏幕上显示所有已录入的学生个人信息。

<4>学生个人信息输入完毕后, 用户键入“Q”并回车后,进入查询状态，用户可分别按照姓名、 性别、年龄、专业进行查询。

例如：进入查询状态后，用户输入：“name=jack”回车后，屏幕上应列出所有符合条件的记录。查询语法规则如下：“name=???”、“sex=???”、“age=???”、“ Profession =???”

发挥部分：

<4>如果程序还可支持组合查询，

例如用户输入查询条件：“name=john and sex=male”，程序列出姓名为john的男生-File management, functional requirements:

< 1 > users can input in the program prompted by any number of students　personal information.

< 2 > students personal information content:

Name (character type) does not need to support Chinese

Sex (character type) does not need to support Chinese

Age (integer)

Profession (character type) does not need to support Chinese

< 3 > students personal information input after completion, the user type "ALL" and enter, can be displayed on the screen ALL already entering students personal information.

< 4 > students personal information input after completion, the user type "Q" and enter, into the query condition, the user can respectively according to the name, sex, age, professional inquiry.

For example: enter inquires after state, the user input: "name = jack" enter, screen should list all meet the conditions of the record. Inquires the grammar rules are as follows: "name =????????" , "sex =????????", "age =????????",