adding program to print diamond pattern (TheAlgorithms#1338)

* adding program to print diamond pattern

Written a program to print diamond pattern with stars in python 3.7

* update - changing strings to r strings

Author: souravs17031999

other/magicdiamondpattern.py

@@ -0,0 +1,53 @@
+# 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...")