python3 代码 上下对称 三部分

n=int(input())
space=int(n/2)
res=1
for i in range(0,int((n-1)/2)):
    for j in range(0,space):
        print(" ",end="")
    space-=1;
    for j in range(0,res):
        print("*",end="")
    print()
    res+=2


for i in range(0,n):
    print("*",end="")
print()

res=n-2
space=1

for i in range(0,int((n-1)/2)):
    for j in range(0,space):
        print(" ",end="")
    space+=1;
    for j in range(0,res):
        print("*",end="")
    print()
    res-=2