C语言实验二题目一：编写一个程序，求出某学生期末6门课程的总分与平均分，并将总分与平均分在屏幕上输出。（6门课程分数自行设定）

题目一：编写一个程序，求出某学生期末6门课程的总分与平均分，并将总分与平均分在屏幕上输出。（6门课程分数自行设定）

#include <stdio.h>
int main()
{
float grade1;/declare grade1 as a double variable/
float grade2;/declare grade2 as a double variable/
float grade3;/declare grade3 as a double variable/
float grade4;/declare grade4 as a double variable/
float grade5;/declare grade5 as a double variable/
float grade6;/declare grade6 as a double variable/
float total;/declare total as a double variable/
float average;/declare average as a double variable/ grade1=90.0f;
grade2=91.0f;
grade3=92.5f;
grade4=93.0f;
grade5=94.5f;
grade6=97.0f; total=grade1+grade2+grade3+grade4+grade5+grade6; average=total/6.0;
printf(“The total grade is %f\n”“The average grade is %f”,total,average);
return 0;
}