Answer to Question #227339 in Python for srikanth

Question

Number Diamond

Given an integer 

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

Note: There is a space after each number.

Input

The first line of input is an integer 

N.

Explanation

In the given example, the number of rows in the diamond is 

5.

So, the output should be

    1 
   1 2 
  1 2 3 
 1 2 3 4 
1 2 3 4 5 
 1 2 3 4 
  1 2 3 
   1 2 
    1
Sample Input 1
5
Sample Output 1
    1 
   1 2 
  1 2 3 
 1 2 3 4 
1 2 3 4 5 
 1 2 3 4 
  1 2 3 
   1 2 
    1
Sample Input 2
4
Sample Output 2
   1 
  1 2 
 1 2 3 
1 2 3 4 
 1 2 3 
  1 2 
   1

Answer 1

N = int(input("Enter an interger: " ))
rows = []
for number in range(1, N + 1):
    rows.append(' '.join([str(x) for x in range(1, number + 1)]))
for number in rows[::-1][1::]:
    rows.append(number)
diamond = '\n'.join([x.center(2* N - 1) for x in rows])
print(diamond)