/** Exercise:
 *  1. Declare variables
 *  2. Assign values to the variables
 *  3. Display the variable values
 */
void main(){
    // declare variables.
    // or, create "placeholders" in memory
    float my_float;
    int my_int;
    long my_long;
    
    // assign values to the variables.
    // or, store values in the placeholders
    my_float = 5.0;
    my_int = 3;
    my_long = 1100L;
    
    // let's see what is stored in memory
    printf("my_float: %f\n", my_float);
    printf("my_int: %d\n", my_int);
    printf("my_long: %l\n", my_long);
    
    // alter what is already in memory
    my_int = 3 * (2 + my_int);
    
    // now what value is stored in my_int?
    printf("my_int: %d\n", my_int);
}