1. lis = ['Bob','JOHN','alice','bob','ALICE','james','Bob','JAMES','jAMeS']
    2. lis1 = []
    3. for i in lis:
    4. n=str.capitalize(i)
    5. lis1.append(n)
    6. print(lis1)
    7. st = set(lis1)
    8. lis = list(st)
    9. print(lis)