To indicate a hexadecimal literal, use 0x followed by a sequence of hexadecimal digits (0 to 9 and A to F, in either upper- or lowercase).
1, 23, 3493 # Decimal integers
01, 027, 06645 # Octal integers
0x1, 0x17, 0xDA5 # Hexadecimal integers
# Math operator
print -2 * 4 + 3 ** 2