说明：  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 =????????",)