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:
IpFBHqaAeWEXwHnzkFhZQTlS
answer:
IpFBHqaAeWEXwnzkhZQTlS


question:
jTtiXbIMwnwpdnRZBIQGtqgVGAI
answer:
jTtiXbIMwnpdRZBQGqgVA


question:
plpzTuEtlZcteRrekofKr
answer:

plzTuEtZceRrkofK


