- 本题解题的关键:判断字符串是不是字母:字符串.alpha()
lines=[] while True: try: lines.append(input()) except: break for i in lines: if i.isalpha(): print("YES") else: print("NO")
lines=[] while True: try: lines.append(input()) except: break for i in lines: if i.isalpha(): print("YES") else: print("NO")