如何删除此数字范围内的最后一个逗号？（Python）

Question

def numbex(n):
    if n == 1:
        return 2
    elif n > 1:
        return numbex(n-1)*(-3)
for num in range(1,11):
    x=numbex(num)
    print(x, end=",")

输出

2,-6,18,-54,162,-486,1458,-4374,13122,-39366,

Answer 1

您可以使用以下sep参数print

numbers=[numbex(x) for x in range(1,11)]
print(*numbers, sep=",")