#include <stdio.h>

int main()

{

    int age;

    age=18;

    char sex;

    sex="M";    //编译过程说这一步错了，不懂为啥

    float height;

    height=173.2;

    double some;

    some=3.121212;

    printf ("age");

    printf ("sex");

    printf ("height");

    printf ("some");

    return 0;

}