# Python program for generating diamond pattern in python 3.7+

# Function to print upper half of diamond (pyramid)
def floyd(n):
	'''
	Parameters: 
    n : size of pattern 
	'''
	for i in range(0, n):
		for j in range(0, n-i-1): # printing spaces
			print(" ", end = "")
		for k in range(0, i + 1): # printing stars 
			print("* ", end = "")
		print()


# Function to print lower half of diamond (pyramid)
def reverse_floyd(n):
	'''
	Parameters: 
    n : size of pattern 
	'''
	for i in range(n, 0, -1):
		for j in range(i, 0, -1):  # printing stars 
			print("* ", end = "")
		print()
		for k in range(n-i+1, 0, -1):  # printing spaces 
			print(" ", end = "")

# Function to print complete diamond pattern of "*"
def pretty_print(n):
	'''
	Parameters: 
    n : size of pattern 
	'''
	if n <= 0:
		print("       ...       ....        nothing printing :(")
		return 
	floyd(n)   # upper half 
	reverse_floyd(n) # lower half 


if __name__ == "__main__":
	print(r"| /\ | |- |  |-  |--| |\  /| |-")
	print(r"|/  \| |- |_ |_  |__| | \/ | |_")
	K = 1
	while(K):
		user_number = int(input("enter the number and , and see the magic : "))
		print()
		pretty_print(user_number)
		K = int(input("press 0 to exit... and 1 to continue..."))

	print("Good Bye...")