#include <stdio.h>
   #include <stdlib.h>
   #include <string.h>
   #include <Math.h>

  typedef struct Student{

char name [20] ;

int grade ;

int number ;


 }Student;


 typedef struct Class{

char className[20] ;

Student Students[30] ;


 }Class;

double calculateAverageGrade(I want to pass the Students[30] array here ) {

int i ;

int sum = 0 ;
for(i=0;i<3;i++) {


 }

return sum/3 ;

  }

    int main() {


Student s1 ={"John",75,758} ;

Student s2 = {"Jack",85,123} ;

Student s3 = {"Lisandra",50,321} ;

Class c1 ={''} ;

strcpy(c1.className,"Physics") ;

c1.Students[0] = s1 ;

c1.Students[1] = s2 ;

c1.Students[2] = s3 ;


calculateAverageGrade(needs to take Students[30] array);





return 0 ;
}