Program to print diamond using stars.

Code:

rows = 3

n = 0

for i in range(1, rows + 1):

            for j in range (1, (rows - i) + 1):

                        print(end = " ")

            while n != (2 * i - 1):

                        print("*", end = "")

                        n = n + 1

            n = 0

            print()

k = 1

n = 1

for i in range(1, rows):

            for j in range (1, k + 1):

                        print(end = " ")

            k = k + 1

            while n <= (2 * (rows - i) - 1):

                        print("*", end = "")

                        n = n + 1

            n = 1

            print()

Output: