LEFT HALF BLACK CIRCLE U+25D6

BlockGeometric Shapes
CategoryOther Symbol
UTF-80xE2 0x97 0x96
UTF-160xFF 0xFE 0xD6 0x25
UTF-320xFF 0xFE 0x0 0x0 0xD6 0x25 0x0 0x0
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Pythonu"\u25D6"