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  1. s = "AC;AC MR;TA;AC MR;AC;AC MR;TA;SDA"
  2. print(";".join([x.replace(' ', '') for x in dict.fromkeys(s.split(";"))]))
Success #stdin #stdout 0.02s 9168KB
stdin
Standard input is empty
stdout
AC;ACMR;TA;SDA