34.Write a code to generate a right arrow using patterns.

Write a code to generate a right arrow using patterns.

Input Description:
Given an integer R indicates number of rows.

Where 1<=R<=100.

Output Description:
Print the right arrow pattern using stars based on the given integer R.

Sample Input :
5
Sample Output :
    *
   *
  *
 *
*****
 *
  *
   *
    *
    
    
    def pattern(n):
    for i in range(n-1):
        for j in range(n-i-1):
            print(' ', end = "")
        print('*')
    print('*' * n)
    for i in range(n-2, -1, -1):
        for j in range(n-i-1):
            print(' ', end = "")
        print('*')
n = int(input())
pattern(n)