PTA (daily question) 7-70 diamond

Enter an integer n, Output 2n-1 A diamond formed by rows , for example ,n=5 The diamond of is shown in the output sample .

Input format :
There are multiple sets of test data , Processing to the end of the file . Enter an integer for each set of tests n（3≤n≤20）.

Output format :
For each group of test data , Output a total of 2n-1 Diamond of line , See the output example for details .

sample input :

5

sample output :

    *
   ***
  *****
 *******
*********
 *******
  *****
   ***
    *

Code ：

try:
    while True:
        n = int(input())
        for i in range(1, n+1):
            for j in range(n-i):
                print(' ', end='')
            for k in range(2*i-1):
                print('*', end='')
            print()
        for i in range(1,n):
            for j in range(i):
                print(' ', end='')
            for k in range(2*(n-i)-1):
                print('*', end='')
            print()
except EOFError:
    pass