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I have this string: Hello, World! and I want to print it using Python as '48:65:6c:6c:6f:2c:20:57:6f:72:6c:64:21'.
hex() works only for integers.
How can it be done?
801
hex() function in Python hex() function is one of the built-in functions in Python3, which is used to convert an integer number into it's corresponding hexadecimal form. Syntax : hex(x) Parameters : x - an integer number (int object) Returns : Returns hexadecimal string.
To convert hex string to byte array, you need to first get the length of the given string and include it while creating a new byte array. byte[] val = new byte[str. length() / 2]; Now, take a for loop until the length of the byte array.
Use the hex() Method to Convert a Byte to Hex in Python The hex() method introduced from Python 3.5 converts it into a hexadecimal string. In this case, the argument will be of a byte data type to be converted into hex.
You can transform your string to an integer generator. Apply hexadecimal formatting for each element and intercalate with a separator:
>>> s = "Hello, World!"
>>> ":".join("{:02x}".format(ord(c)) for c in s)
'48:65:6c:6c:6f:2c:20:57:6f:72:6c:64:21
':'.join(x.encode('hex') for x in 'Hello, World!')
For Python 2.x:
':'.join(x.encode('hex') for x in 'Hello, World!')
The code above will not work with Python 3.x. For 3.x, the code below will work:
':'.join(hex(ord(x))[2:] for x in 'Hello, World!')
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