Enter the scores of 3 courses of Python, Java and C # from the console, write the program to achieve: (1) the difference between the scores of Python and Java courses (2) the average score of 3 courses

p=float(input("请输入Python成绩："))
j=float(input("请输入JAVA成绩："))
c=float(input("请输入C#成绩："))
a=abs(p-j)
b=(p+j+c)/3
print("Python和JAVA的分数之差为：%.2f\n三门课程的平均分数为：%.2f"%(a,b))