Python Code Example: diamond pattern
rows = 8
# upper pyramid
for i in range(1, rows):
for j in range(1, rows - i):
print(' ', end='')
for j in range(0, 2 * i - 1):
print('*', end='')
print()
# lower pyramid
for i in range(rows - 2, 0, -1):
for j in range(1, rows - i):
print(' ', end='')
for j in range(1, 2 * i):
print('*', end='')
print()Output
*
***
*****
*******
*********
***********
*************
***********
*********
*******
*****
***
*