l = input("输入字母:")
s = ord(l)-ord('A')
for i inrange(s+1):
print(" "*(s-i),chr(ord('A')+i)*4,sep="")
for i inrange(s):
print(" "*(i+1),chr(ord(l)-i-1)*4,sep="")
程序员小宸的博客import math n,m=map(int,input().split(" ")) for i in range(n): for j in range(m): if j<m-1: print(chr(65+abs(i-j)),end="") else: print(chr(65+abs(i-j)))