rows = 5
i = 0
while i <= rows:
j = 1
while j < i:
print('', end=' ')
j += 1
k = i
while k <= rows:
print('*', end=' ')
k += 1
print()
i += 1
i = rows - 1
for i in range(0, rows):
for j in range(0, i + 1):
print("*", end=' ')
print("\r")
for i in range(rows, 0, -1):
for j in range(0, i - 1):
print("*", end=' ')
print("\r")
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