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:
WCrFKLIvyJDqmFRdOWnuDEnAjMMT
answer:
WCrFKLIvyJDqmRdOnuEAjMT


question:
hKTjUWnplikUoORBRCmJL
answer:
hKTjUWnplikoORBCmJL


question:
YjwtbmukwoBdDFTHcKsVYNCJboxKi
answer:

YjwtbmukoBdDFTHcKsVNCJxi


