python int base 16

Publié le: 25 décembre 2023
sur la chaîne: CodeLink

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In Python, integers can be represented in various bases, including base 16, also known as hexadecimal. Hexadecimal is a numeral system with a base of 16, using the digits 0-9 and the letters A-F to represent values from 10 to 15. This tutorial will guide you through working with hexadecimal integers in Python.
To represent a hexadecimal integer in Python, you can use the 0x prefix followed by the hexadecimal digits. Here's an example:
In this example, 0x1F represents the hexadecimal number 1F, which is equal to 31 in the decimal system.
To convert a decimal integer to hexadecimal, you can use the built-in hex() function. This function returns a string representation of the hexadecimal value.
The hex() function adds the '0x' prefix to the hexadecimal string. You can remove it if needed:
To convert a hexadecimal string to a decimal integer, you can use the int() function with the base argument set to 16.
In this example, int('1A', 16) converts the hexadecimal string '1A' to its decimal equivalent, which is 26.
You can perform arithmetic operations with hexadecimal integers just like with decimal integers. Python handles the conversion between different bases automatically.
Here, 0xA is 10 in decimal, and 0x5 is 5 in decimal. The sum of these two hexadecimal numbers is 15.
Python makes it easy to work with hexadecimal integers using the 0x prefix, the hex() function, and the int() function with the base argument. Whether you're converting between decimal and hexadecimal or performing arithmetic operations, Python provides a convenient and intuitive way to handle hexadecimal representations of integers.
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