// dought in this concept
// constants in c
#include<stdio.h>
int main()
{
const float b = 7.333; //we can only read value of b not change it
return 0;
}
//#define preprocessor
#include<stdio.h>
#define a 3.14 // it simply define value of a as 3.14
int main()
{
printf("%f",a);
return 0;
}
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