hexStringChars = ('A', 'B','C', 'D', 'E', 'F')
hexStringNums = ('1', '2', '3', '4', '5', '6','7', '8', '9', '0')
hexStrings = ["1FC", "1FG", "222", "Ten"]
for hexString in hexStrings:
for x in hexString:
if ((not x in hexStringChars) and (not x in hexStringNums)):
print hexString + " is not a hex string."
break
tupleList = list(hexStringChars)
print tupleList