LabComPro-Mid_5

num = int(input('Enter n: '))

while True:

    if num < 6:
        print("Enter 6 or more.")
        num = int(input('Enter n: '))
    elif num % 2 != 0:
        print("Enter an even number.")
        num = int(input('Enter n: '))
    else:
        break

for i in range(1,num+1):
    for j in range(1,num+1):
        if  i >= j :
            if i == num  or j == 1 or i == j or i == (num//2)+1 or j == (num//2):
                print('# ',end='')
            else :
                print('. ',end='')
    print()