小甲鱼第6课课后编程题

num = int(input("请输入一个整数:"))
for i in range(0,num):
        for t in range(0,num-1):
                print(' ',end = '')
        for j in range(num,2*num):
                print('*',end = '')
        print('\n')
        num -= 1
input("please Enter!")