字符串首字母大写

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	hayley	109ms	3.9 MiB	Python 3	225 Bytes	2025-5-13 22:01:06
AC	celestia	110ms	3.9 MiB	Python 3	224 Bytes	2025-5-14 7:14:48
AC	sophon	133ms	3.9 MiB	Python 3	303 Bytes	2024-10-29 20:56:22
AC	moka	135ms	13.6 MiB	Python 3	196 Bytes	2025-7-21 11:23:40
AC	lihe8811	136ms	4 MiB	Python 3	338 Bytes	2024-11-19 18:30:20
AC	hallie	137ms	3.9 MiB	Python 3	267 Bytes	2024-11-27 19:53:19
AC	jenny	137ms	13.6 MiB	Python 3	191 Bytes	2025-7-21 11:28:18
AC	angela	139ms	13.6 MiB	Python 3	264 Bytes	2025-7-21 11:13:40
AC	george_jiang	141ms	19.8 MiB	Python 3	460 Bytes	2025-11-19 22:05:35
AC	andrew	142ms	13.6 MiB	Python 3	194 Bytes	2025-7-21 11:27:06
AC	jacob	144ms	19.1 MiB	Python 3	223 Bytes	2025-11-16 14:36:53
AC	emma	155ms	3.9 MiB	Python 3	569 Bytes	2024-12-8 15:29:34