请问如何将这个代码运用到 Python里面的IDLE中呢?
def average(*args):
sum = 0.0
if len(args) == 0:
return sum
for x in args:
sum = sum + x
return sum/len(args)
print average()
print average(1, 2)
print average(1, 2, 2, 3, 4)