# assert "0xFFEF".strip_numhead == "FFEF"
# assert "0o7364".strip_numhead == "7364"
# assert "0b01001".strip_numhead == "01001"
# assert "0xFFEF".strip_numhead == "FFEF"
# assert "0o7364".strip_numhead == "7364"
# assert "0b01001".strip_numhead == "01001"
# assert "0xFEFF".get_numhead == "0x"
# assert "0b01001".get_numhead == "0b"
# assert "0o872".get_numhead == "0o"
# assert "0xFEFF".get_numhead == "0x"
# assert "0b01001".get_numhead == "0b"
# assert "0o872".get_numhead == "0o"
# assert "0xFEFFu8".strip_numext == "0xFEFF"
# assert "0b01001u8".strip_numext == "0b01001"
# assert "0o872u8".strip_numext == "0o872"
# assert "0xFEFFu8".strip_numext == "0xFEFF"
# assert "0b01001u8".strip_numext == "0b01001"
# assert "0o872u8".strip_numext == "0o872"
# assert "0xFEFFu8".get_numext == "u8"
# assert "0b01001u8".get_numext == "u8"
# assert "0o872u8".get_numext == "u8"
# assert "0xFEFFu8".get_numext == "u8"
# assert "0b01001u8".get_numext == "u8"
# assert "0o872u8".get_numext == "u8"