LEFT WHITE TORTOISE SHELL BRACKET U+3018

BlockCJK Symbols and Punctuation
CategoryOpen Punctuation
UTF-80xE3 0x80 0x98
UTF-160xFF 0xFE 0x18 0x30
UTF-320xFF 0xFE 0x0 0x0 0x18 0x30 0x0 0x0
HTML〘
Pythonu"\u3018"