def a_1(): a = list(input().strip()) dict1 = dict(enumerate(a)) list1 = [] for i in a: if i.isalpha(): list1.append((i)) list3 = sorted(list1, key=lambda x: x.upper()) for (k, v) in dict1.items(): if v.isalpha(): continue elif not v.isalpha(): list3.insert(k, v) print("".join(list3)) if __...