level = int(input('Введите число: '))
width = level * 2
for coln in range (1, level+1):
print_num = level
for row in range (width):
if row < coln:
print (print_num, end = '')
print_num -= 1
elif row > width - 1 - coln:
print_num += 1
print (print_num, end = '')
else:
print ('.', end = '')
print ()
