python 小案例demo07

#作业2
def printinfo():
    print("-"*30)
def numprint(num):
    i = 0
    while i < num:
        printinfo()
        i += 1
def addNums(a,b,c):
    return a + b +c
def averageNums(a,b,c):
    average = (a + b + c)/3.0
    return average

print(averageNums(3,2,3))