instruction:
In this task, you are given a string of characters. You need to remove duplicate characters from the string if any, and return the resulting string.
question:
ZzWpHFjYXBNRQsGiHbcqoyTqGdbe
answer:
ZzWpHFjYXBNRQsGibcqoyTde


question:
zadFNuqfDNJaQRTkfzYPDrlod
answer:
zadFNuqfDJQRTkYPrlo


question:
SFIxkcMKVMuCoybMuVPzYFOYUfd
answer:

SFIxkcMKVuCoybPzYOUfd