Re-learn C language

Re-learn C language

 1 #include <stdio.h>
 2 
 3 int main()
 4 {
 5     int age = 10;
 6     int height = 72;
 7     
 8     printf("I am %d year old.\n",age);
 9     printf("I am %d inches tall.\n",height);
10     
11     return 0;
12 }