# list_of_numbers_2 = [3, 5, 15, 2, 9, 11, 10]
# z = list_of_numbers_2
#
#
# def pr1(a):
#     c = 1
#     for x in list_of_numbers_2:
#         c = c * x
#     return c
#
#
# print(pr1(list_of_numbers_2))

# a = ['a', 'b', 'ab', 'a', 'c', 'ab', 'd', 'hh', 'k', 'hh']
# k = [0, 1, 2, 3, 4, 5, 6]
# b = 0
# while a != list:
#     for x in k:
#         if b != x:
#             if a[b] == a[x]:
#                 a.remove(a[x])
#                 b -= 1
#     if b == 2:
#         print(a)
#         break
#     if b != len(a):
#         b += 1

# ls = [3, 5, 88, -1, 0, -1, 3, -7, -10, 3, 3, -7, 5, -10, 1]
# a = set(ls)
# a = list(a)
# a.sort()
# print(a[1])

# a = 0
# the_list = ['Chrome', 'Opera', 'Mozilla', 'Explorer']
# the_list.insert(0, 'AAA')
# the_list.insert(2, 'AAA')
# the_list.insert(4, 'AAA')
# the_list.insert(6, 'AAA')
# print(the_list)

# try:
#     b = 2 / 0
#     print(b)
# except:
#     print('')

# v = ['a', 'b', 'c', 'd', 'e']
# try:
#     print(v[1203944857927645738472765656667766545884651897465132987465138946513897465189756489765413287946531287651893])
# except:
#     print('')

# list_of_list = [['anna', 'bob'], ['john', 'peter'], ['sarah', 'jess', 'ben'], ['ross']]
# a = list_of_list[1]
# list_of_list[0].extend(a)
# list_of_list[2].extend(a)
# list_of_list[3].extend(a)
# print(list_of_list)
