题解 | #牛牛的字符矩形#

```a = str(input())

for i in range(5):
    for j in range(5):
        if i == 0 or i == 4:
            if j == 2:
                print(a,end='')
            else:
                print(' ',end='')
        if i == 1 or i == 3:
            if j == 0 or j == 4:
                print(' ',end='')
            else:
                print(a,end='')
        if i == 2:
            print(a,end='')
    print()