def test8():
string = '(27x12)(20x12)(13x14)(7x10)(1x12)A'
decompressed_string = decompress_v2(string)
assert count_letters(decompressed_string) == 241920
assert decompressed_string == 'A' * 241920
def test9():
string = '(25x3)(3x3)ABC(2x3)XY(5x2)PQRSTX(18x9)(3x2)TWO(5x7)SEVEN'
decompressed_string = decompress_v2(string)
assert count_letters(decompressed_string) == 445
def test7():
string = 'X(8x2)(3x3)ABCY'
decompressed_string = decompress_v2(string)
assert count_letters(decompressed_string) == len('XABCABCABCABCABCABCY')
assert decompressed_string == 'XABCABCABCABCABCABCY'
def test0():
string = 'ADVENT'
decompressed_string = decompress(string)
assert count_letters(decompressed_string) == 6
assert decompressed_string == 'ADVENT'
def test6():
string = '(3x3)XYZ'
decompressed_string = decompress_v2(string)
assert count_letters(decompressed_string) == 9
assert decompressed_string == 'XYZXYZXYZ'
def test5():
string = 'X(8x2)(3x3)ABCY'
decompressed_string = decompress(string)
assert count_letters(decompressed_string) == 18
assert decompressed_string == 'X(3x3)ABC(3x3)ABCY'
def test4():
string = '(6x1)(1x3)A'
decompressed_string = decompress(string)
assert count_letters(decompressed_string) == 6
assert decompressed_string == '(1x3)A'
def test3():
string = 'A(2x2)BCD(2x2)EFG'
decompressed_string = decompress(string)
assert count_letters(decompressed_string) == 11
assert decompressed_string == 'ABCBCDEFEFG'
def test1():
string = 'A(1x5)BC'
decompressed_string = decompress(string)
assert count_letters(decompressed_string) == 7
assert decompressed_string == 'ABBBBBC'