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a = [43, 26, 1, 55, 101]b = ["dog", "cat", "DOG", "CAT"]sorted(a)  # a is not changeda = sorted(a)sorted(a, reverse=True)# a is not changeda.sort(reverse = True) # a is changedsorted(b, key = str.lower) b.sort()  # case sensitive sortb.sort(key = str.lower) #case insensitive sort

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