编写程序-特别费脑和逻辑思维的程序

#打印具有前导空格的正三角
for i in range(row+1):
    for j in range(row-i+1):
        print(" ", end=" ")
    for j in range(i+1):
        print("*",end=" ")
    print()
#打印具有前导空格的倒三角
for i in range(row+1):
    for j in range(i+1):
        print(" ",end=" ")
    for j in range(row-i+1):
        print("*",end=" ")