Count zero and non-zero bytes in hex string

count_bytes.py

txdata = "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"

def count_zero_bytes(data):
  count = 0
  for i in xrange(0, len(data), 2):
    byte = data[i:i+2]
    if byte == "00":
      count += 1
  return count

def count_non_zero_bytes(data):
  return (len(data) / 2) - count_zero_bytes(data)

print("zero-bytes: {0}".format(count_zero_bytes(txdata)))
print("non-zero-bytes: {0}".format(count_non_zero_bytes(txdata)))

# OUTPUT
# zero-bytes: 184
# non-zero-bytes: 1594