#include <stdio.h>

int main(){

    int age = 18;

float height = 1.85;

char unit = 'm';

printf("小明今年%d岁\n", age); 

    printf("小明身高%f%c\n", height, unit);

    printf("%s","小明现在在慕课网上学习IT技术");

return 0;

}