__author__ = 'Avinash'
# Python3 program to print alphabet B pattern
# Function to display alphabet pattern
def print_pattern(n):
# Outer for loop for number of lines(rows)
for i in range(n):
# Inner for loop for logic execution
for j in range(n + 1):
# prints two column lines
if ((j == 0 or j == n) or
# print first line of alphabet
i == 0 and j != 0 and j != n or
# prints last line
i == n - 1 or
# prints middle line
i == n // 2):
print("*", end="")
else:
print(" ", end="")
print()
# Size of the letter
num = int(input("Enter the size: \t "))
if num > 7:
print_pattern(num)
else:
print("Enter a size minimum of 8")