size_figure = int(input('Введите размер фигуры: '))
for star in reversed(range(0,size_figure-3 )):
numwhites = size_figure - star
print(' ' * numwhites +'#' * star + '#' * star )
else:
print('',end='')
for number in range(0,size_figure-3):
numwhite = size_figure - number
print(' ' * numwhite + '#' * number + '#' * number )
else:
print('',end='')
print()