全角半角批量替换很有规律，所以有没有更优雅的方法（以 unicode 递增或其他方式）进行批量替换呢？
类似 Python 打印大小写字母这样的形式：
# 大写 65-91 小写 97-123
def test():
for i in range(97, 123):
for j in range(97, 123):
for k in range(97,123):
print("C-%s %s %s" %(chr(i), chr(j), chr(k)), end="\n")
| ASCII | 全角字符 | Unicode | 半角字符 | Unicode |
| 0x20 | " "空格 | U+3000 | " "空格 | U+0020 |
| 0x21 | ！ | U+ff01 | ! | U+0021 |
| 0x22 | " | U+ff02 | " | U+0022 |
| 0x23 | # | U+ff03 | # | U+0023 |
| 0x24 | $ | U+ff04 | $ | U+0024 |
| 0x25 | % | U+ff05 | % | U+0025 |
| 0x26 | & | U+ff06 | & | U+0026 |
| 0x27 | ' | U+ff07 | ' | U+0027 |
| 0x28 | （ | U+ff08 | ( | U+0028 |
| 0x29 | ） | U+ff09 | ) | U+0029 |
| 0x2a | * | U+ff0a | * | U+002a |
| 0x2b | + | U+ff0b | + | U+002b |
| 0x2c | ， | U+ff0c | , | U+002c |
| 0x2d | － | U+ff0d | - | U+002d |
| 0x2e | ． | U+ff0e | . | U+002e |
| 0x2f | / | U+ff0f | / | U+002f |
| 0x30 | 0 | U+ff10 | 0 | U+0030 |
| 0x31 | 1 | U+ff11 | 1 | U+0031 |
| 0x32 | 2 | U+ff12 | 2 | U+0032 |
| 0x33 | 3 | U+ff13 | 3 | U+0033 |
| 0x34 | 4 | U+ff14 | 4 | U+0034 |
| 0x35 | 5 | U+ff15 | 5 | U+0035 |
| 0x36 | 6 | U+ff16 | 6 | U+0036 |
| 0x37 | 7 | U+ff17 | 7 | U+0037 |
| 0x38 | 8 | U+ff18 | 8 | U+0038 |
| 0x39 | 9 | U+ff19 | 9 | U+0039 |
| 0x3a | ： | U+ff1a | : | U+003a |
| 0x3b | ； | U+ff1b | ; | U+003b |
| 0x3c | < | U+ff1c | < | U+003c |
| 0x3d | = | U+ff1d | = | U+003d |
| 0x3e | > | U+ff1e | > | U+003e |
| 0x3f | ？ | U+ff1f | ? | U+003f |
| 0x40 | @ | U+ff20 | @ | U+0040 |
| 0x41 | A | U+ff21 | A | U+0041 |
| 0x42 | B | U+ff22 | B | U+0042 |
| 0x43 | C | U+ff23 | C | U+0043 |
| 0x44 | D | U+ff24 | D | U+0044 |
| 0x45 | E | U+ff25 | E | U+0045 |
| 0x46 | F | U+ff26 | F | U+0046 |
| 0x47 | G | U+ff27 | G | U+0047 |
| 0x48 | H | U+ff28 | H | U+0048 |
| 0x49 | I | U+ff29 | I | U+0049 |
| 0x4a | J | U+ff2a | J | U+004a |
| 0x4b | K | U+ff2b | K | U+004b |
| 0x4c | L | U+ff2c | L | U+004c |
| 0x4d | M | U+ff2d | M | U+004d |
| 0x4e | N | U+ff2e | N | U+004e |
| 0x4f | O | U+ff2f | O | U+004f |
| 0x50 | P | U+ff30 | P | U+0050 |
| 0x51 | Q | U+ff31 | Q | U+0051 |
| 0x52 | R | U+ff32 | R | U+0052 |
| 0x53 | S | U+ff33 | S | U+0053 |
| 0x54 | T | U+ff34 | T | U+0054 |
| 0x55 | U | U+ff35 | U | U+0055 |
| 0x56 | V | U+ff36 | V | U+0056 |
| 0x57 | W | U+ff37 | W | U+0057 |
| 0x58 | X | U+ff38 | X | U+0058 |
| 0x59 | Y | U+ff39 | Y | U+0059 |
| 0x5a | Z | U+ff3a | Z | U+005a |
| 0x5b | [ | U+ff3b | [ | U+005b |
| 0x5c | \ | U+ff3c | \ | U+005c |
| 0x5d | ] | U+ff3d | ] | U+005d |
| 0x5e | ＾ | U+ff3e | ^ | U+005e |
| 0x5f | _ | U+ff3f | _ | U+005f |
| 0x60 | ` | U+ff40 | ` | U+0060 |
| 0x61 | a | U+ff41 | a | U+0061 |
| 0x62 | b | U+ff42 | b | U+0062 |
| 0x63 | c | U+ff43 | c | U+0063 |
| 0x64 | d | U+ff44 | d | U+0064 |
| 0x65 | e | U+ff45 | e | U+0065 |
| 0x66 | f | U+ff46 | f | U+0066 |
| 0x67 | g | U+ff47 | g | U+0067 |
| 0x68 | h | U+ff48 | h | U+0068 |
| 0x69 | i | U+ff49 | i | U+0069 |
| 0x6a | j | U+ff4a | j | U+006a |
| 0x6b | k | U+ff4b | k | U+006b |
| 0x6c | l | U+ff4c | l | U+006c |
| 0x6d | m | U+ff4d | m | U+006d |
| 0x6e | n | U+ff4e | n | U+006e |
| 0x6f | o | U+ff4f | o | U+006f |
| 0x70 | p | U+ff50 | p | U+0070 |
| 0x71 | q | U+ff51 | q | U+0071 |
| 0x72 | r | U+ff52 | r | U+0072 |
| 0x73 | s | U+ff53 | s | U+0073 |
| 0x74 | t | U+ff54 | t | U+0074 |
| 0x75 | u | U+ff55 | u | U+0075 |
| 0x76 | v | U+ff56 | v | U+0076 |
| 0x77 | w | U+ff57 | w | U+0077 |
| 0x78 | x | U+ff58 | x | U+0078 |
| 0x79 | y | U+ff59 | y | U+0079 |
| 0x7a | z | U+ff5a | z | U+007a |
| 0x7b | { | U+ff5b | { | U+007b |
| 0x7c | ｜ | U+ff5c | \vert | U+007c |
| 0x7d | } | U+ff5d | } | U+007d |
| 0x7e | ～ | U+ff5e | ~ | U+007e |