#include <stdio.h>
 
double avg(double array[], int length);
 
int main(void) 
{
	double arr1[] = {5.2,9.3,6.5,4.1,7.8};
	double arr2[] = {1.2,5.1,6.4};
	double arr3[] = {5.9,6.5,7.2,5.9,4.2,8.3,6.3};
 
	printf("arr1 average is: %.2lf\n", avg(arr1, 5));
	printf("arr2 average is: %.2lf\n", avg(arr2, 3));
	printf("arr3 average is: %.2lf\n", avg(arr3, 7));
 
	return 0;
}
 
	double avg(double array[], int length)
{
	double sum = 0;
	for(int i = 0; i < length; i++)
	{
		sum = sum + array[i];
	}
		return sum / length;
}

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