Question

Hollow Right Triangle - 2

Given an integer number 

N as input. Write a program to print the hollow right-angled triangular pattern of N lines as shown below.

Note: There is a space after each asterisk (*) character.

Input

The first line of input is an integer 

N.

Explanation

In the given example the hollow right angled triangle of side 

5. Therefore, the output should be

        *
      * *
    *   *
  *     *
* * * * *
Sample Input 1
4
Sample Output 1
      *
    * *
  *   *
* * * *
Sample Input 2
5
Sample Output 2
        *
      * *
    *   *
  *     *
* * * * *

Answer 1

row = int(input('Enter number of rows required: '))

for i in range(row):
    for j in range(i+1):
        if j==0 or j==i or i==row-1:
            print('*',end=" ")
        else:
            print(" ", end=" ")
    print()