python打星星（2）

打印上面图形，python代码如下：

r = 1

while r <= 4:
    k = 1;
    while k < 5 - r:
        print(' ', end="")
        k += 1
    c = 1
    while c <= 2 * (r - 1) + 1:
        print('*', end='')
        c += 1
    print("")
    r += 1
# 下半部

r = 1

while r <= 3:
    k = 1;
    while k <  r+1:
        print(' ', end="")
        k += 1
    c = 1
    while c <= 6 - (2 * r - 1):
        print('*', end='')
        c += 1
    print("")
    r += 1