Contents

from functools import reduce


def hexa(hex_str):
    hex_str = hex_str.lower()
    if set(hex_str) - set('0123456789abcdef'):
        raise ValueError('Invalid hexadecimal string')
    digits = [ord(c) - ord('a') + 10 if c in 'abcdef' else ord(c) - ord('0')
              for c in hex_str]
    return reduce(lambda x, y: x * 16 + y, digits, 0)

Version data entries

125 entries across 125 versions & 1 rubygems

Version	Path
trackler-2.2.1.58	tracks/python/exercises/hexadecimal/example.py
trackler-2.2.1.57	tracks/python/exercises/hexadecimal/example.py
trackler-2.2.1.56	tracks/python/exercises/hexadecimal/example.py
trackler-2.2.1.55	tracks/python/exercises/hexadecimal/example.py
trackler-2.2.1.54	tracks/python/exercises/hexadecimal/example.py