2.7

# 2.7
s = 'Тире-слово !Разве ? Собака , кошка ,попугай . Предложение ; точка с запятой ? \
    Обобщающее слово : слово1 , слово2 , слово3 ( привет ) , -дальше.. . [1 ] , выборка{ aqadaf }'
first = [".","?","!",",",";",":","...",")","]","}"]
second = ["(","[","{"]
lists = list(s)
print(lists)

for i in lists:
    if i =="-":
        lists[s.index(i)] = " " + i + " "
    # if i =='...':
    #     print(i)
    if i in first and lists[s.index(i)-1]==" ":
        lists[s.index(i)-1] = ""
        # print(i)
    if i in first and len(s)>s.index(i)+1 and lists[s.index(i)+1]!=" ":
        lists[s.index(i)] = i + " "
    # elif i in first and lists[s.index(i)-1] == " ":
    #     # print(i)
    #     lists[s.index(i)] =""
    #     lists[s.index(i)] = i + " "
print(lists)
# for i in lists:
#     if i in second:
#         lists[s.index(i)] = " " + i
print(''.join(lists))