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gray-code.py
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gray-code.py
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# generate Gray code by performing XOR between the number and
# the right-shifted number
def gray_encode(number):
return bin(
int(number, base=2) ^ (int(number, base=2) >> 1)
)
# decode Gray code by performing XOR of right-shifted combinations
def gray_decode(number):
number = int(number, base=2)
shift_count = number
while shift_count:
shift_count >>= 1
number ^= shift_count
return bin(number)
if __name__ == "__main__":
decimal_number = int((input('initial (decimal) ')))
binary_number = bin(decimal_number)
print(f'initial (binary) {binary_number}')
gray_number = gray_encode(binary_number)
print(f'encoded (gray) {gray_number}')
gray_number_to_binary = gray_decode(gray_number)
print(f'decoded (binary) {gray_number_to_binary}')
result = int(gray_number_to_binary, base=2)
print(f'decoded (decimal) {result}')