【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	SG1G28	16ms	3.8 MiB	Python 3	38 Bytes	2025-4-10 15:52:11
AC	sg1h08	16ms	3.8 MiB	Python 3	30 Bytes	2025-4-10 15:43:04
AC	sg2c_08	16ms	3.8 MiB	Python 3	30 Bytes	2025-4-10 15:22:57
AC	sg1b19	16ms	3.8 MiB	Python 3	30 Bytes	2025-4-10 15:45:04
AC	sg3c02	16ms	3.8 MiB	Python 3	30 Bytes	2025-4-10 15:24:34
AC	sg1a35	16ms	3.8 MiB	Python 3	42 Bytes	2025-4-10 15:55:38
AC	sg1a33	16ms	3.9 MiB	Python 3	42 Bytes	2025-4-10 15:53:40
AC	sg1b21	16ms	3.8 MiB	Python 3	40 Bytes	2025-4-10 15:54:21
AC	sg1a_29	16ms	4 MiB	Python 3	30 Bytes	2025-4-10 15:24:44
AC	sg1g32	16ms	4 MiB	Python 3	30 Bytes	2025-4-10 15:26:29
AC	sg1a_13	16ms	4 MiB	Python 3	30 Bytes	2025-4-10 15:43:02
AC	sg1c03	16ms	4 MiB	Python 3	311 Bytes	2025-4-10 15:55:45
AC	sg2a24	16ms	4 MiB	Python 3	30 Bytes	2025-4-10 15:22:14
AC	sg1a08	16ms	4 MiB	Python 3	30 Bytes	2025-4-10 15:41:12
AC	sg2d30	17ms	3.8 MiB	Python 3	38 Bytes	2025-4-10 15:58:39
AC	SG3B13	17ms	4 MiB	Python 3	42 Bytes	2025-4-10 15:52:12
AC	林霈鋒	17ms	4 MiB	Python 3	52 Bytes	2025-4-29 22:10:13
AC	anson	17ms	3.9 MiB	Python 3	41 Bytes	2025-4-10 15:52:52
AC	sg1h17	18ms	3.8 MiB	Python 3	40 Bytes	2025-4-10 15:56:28
AC	sg2f12	19ms	3.8 MiB	Python 3	30 Bytes	2025-4-10 15:16:01
AC	sg2d13	21ms	4 MiB	Python 3	39 Bytes	2025-4-10 15:59:29
AC	sg2a27	22ms	4 MiB	Python 3	30 Bytes	2025-4-10 15:23:04
AC	patricklai7528	23ms	3.8 MiB	Python 3	30 Bytes	2025-4-10 15:42:26
AC	Lance	34ms	3.8 MiB	Python 3	57 Bytes	2025-2-1 18:39:16