Answer to Question #220406 in Python for janardhan

Question

Given an integer N as input, write a program to print a number diamond of 2*N -1 rows as shown below.

Answer 1

n      = int(input('N:'))

prefix = ' ' * (n - 1)
ast    = '*'

for i in range(1, n):
  print(' ' * (n - i), end='')
  print('*' * (2 * i - 1))

for i in range(n, 0, -1):
  print(' ' * (n - i), end='')
  print('*' * (2 * i - 1))