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To get the decimal number back, use the int() function:

# How to Convert Decimal to Hexadecimal (And Vice Versa)

The`hex()`

built-in function takes an integer and returns its hexadecimal representation as a string:`>>> hex(255)`

'0xff'

To get the decimal number back, use the int() function:

`# The '0x' prefix is optional.`

>>> int("0xff", 16)

255

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