python-day2-打印小星星

print("欢迎进入堆小星星程序")
print("小星星必需是奇数")
print("我们每行小星星都会减少2个")
a = int(input("请输入小星星的行数"))

if a % 2 == 0:
    print("小星星的行数必需是奇数")
else:
    b = a
    i = 1
    j = 0
    o = 0
    while a > 0:
        print(' ' * (b - 1), end='')
        print('*' * i, end='')
        print(' ' * (b - 1), end='')
        print(' ' * o, end='')
        print('*' * (a * 2 - 1))

        o += 1
        j += 1
        i += 2
        b -= 1
        a = a - 1

程序中的小星星
打印平行四边形

print("欢迎进入堆小星星程序")
print("小星星必需是奇数")
print("我们每行小星星都会减少2个")
a = int(input("请输入小星星的行数"))

if a % 2 == 0:
    print("小星星的行数必需是奇数")
else:
    b = a
    i = 1
    j = 0
    o = 0
    while a > 0:
        print('' * (b - 1), end='')
        print(' ' * i, end='')
        print('@' * (b - 1), end='')
        print('@' * o, end='')
        print(' ' * (a * 2 - 1))

        o += 1
        j += 1
        i += 2
        b -= 1
        a = a - 1
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