Assignment statement a11
Gives a value to a variable
Syntax
    <variable name> = <value>;
Semantics
    Calculate right side, store in variable on left
Variable must be already declared
Right side
    number
    variable
    expression
Variable can hold only 1 value at a time
#include <stdio.h>
main()   num_tacos
{  
    int num_tacos; 10
    num_tacos = 10;
    num_tacos = 20;  
    num_tacos = 30;
    return 0;
}